T I N H TRANG DINH DU'QNG CCiA HOC SINH TI^U HOC TAI NOI THANH HA NQI NAM 2011
Biii Thi Nhung, LS Thi Hop, Tran Quang Binh*, Le Nguyen Bao Khanh, Le Bach Mai, Nguyen D6 V3n Anh, Nguyen Thi Lam, Nguyen Do Huy, Tran Thanh Nam", Du-ffng V3n Thanh', Phiiin Tr^n Phu'OTig*, Phaim Thi Tuyet Lan*", Nguyen Thi Hong Hanh*"', Le Thi Tuyet'*"*
Vien Dinh du&ng Quoc gia, Ha Ngi
*Vien Ve sinh Dich te Trung Uffng, Ha Ngi
**Hgc vien Bao chivd Tuyen truyen. Ha Ngi
***Dgi hgc Y Phgm Nggc Thgch, TP. H6 Chi Minh
****Dgi hgc Suphgm Ha Ngi
Nghien CLKU cki ngang nam 2011 n h i m d ^ n h gia tinh trang dmh d u a n g ciia hoc smh tieu hoc khu v u c npi thanh Ha Noi, su- dung quan the t h a m chieu ciia To c h u c Y te The giai nam 2007, Ket qua di§u tra tren 3 128 hoc smh tieu hoc cho thay g a n h nang kep ve van de dmh d u o n g da nghieng han ve phia thira dinh du'ong v a i 2 3 , 4 % hoc sinh bi thu-a can va 17,3% hoc smh bj beo phi, so VCTI 2,4% hpc smh bi thap coi va 2 % hoc sinh bi gay com. Hoc sinh nam c6 ty le thu'a can va beo phi cao hon co y nghTa thong l<e so vai hoc smh ni>, Ty le thap cdi va g^y com a hoc smh nam t u a n g d u a n g v&\ hoc smh ni> Iren toan m§u va a tCrng nhom tuoi, trip nhdm tuoi 7 va 9 a hoc smh nam co ty le gay com thap co y nghfa thong ke so v a i hoc smh niF.
Ti> khoa: T i n h trang dinh d i f o n g , hpc sinh tieu hoc, ngi thanh Ha Noi, 2011
I. DAT VAN DE
Giai doan tieu hoc tir 6 den 11 tuoi la giai doan tre tich liiy chat dinh duong can thiet chuan bi cho giai doan day thi tiep theo, dong thoi 0 giai doan nay ciing lien quan den viec hoc tap tai truong va thich nghi voi moi truong xa hgi ciia tre. Tinh trang dinh duong tot o tre em Ilia tuoi tieu hoc giiip tre tang cuong sue khoe va de khang doi vai benh tat; day ciing la nen tang quan trong d lira tuoi tien day thi giiip
cac em tao da tang truong tot o cac giai doan tiep theo, phat trien tot chieu cao khi truang thanh.
Cac roi loan tinh trang dinh duong a lira tuoi tieu hpc bao gom suy dinh duong the thap coi, the gay com, thira can va beo phi. Suy dinh duong thap coi va gay com a tuoi tieu hoc se anh hudng lam cham su tang truong ve chieu cao va can nang so voi tuoi va gioi cua tre a giai doan day thi va truong thanh. Tre bj thira can va beo phi co nguy co cao bi cac roi loan
Tac gia: Bin Thi Nhung Dia chi: Vi6n Dinh duong Quoc gia Dien thoai: 043 9715926 Email: nhungvnnin(^yahoo.com
Ngaynhanbai: 29/10/2012 Ngay dang bai: 28/2/2013
Tap chi Y hpc du phong. Tap XXIII, so 1 (136)
chuyen hoa, tSng huy6t ^p, dai thao dudng va b$nh tim mach. Tat ca cdc roi loan tren bao gom ca tinh trang suy dinh du&ng va thira can- beo phi khong chi dnh hu6ng den sue khoe, ma con anh huong den tam ly vk hpc tap ciia tre [I]-
Tinh trang dinh du&ng hgc sinh tieu hpc Ha Npi da dugc theo dfli trong nhieu nSm. Cae cupc dieu tra truac nSm 1995 cho thay tre chii yeu hi thieu dinh du&ng cdc the thSp coi va gSy com. ty le thira can khong ddng ke, b^o phi hau nhu khong co [2]. Ciing vai s^r phat tri§n kinh le, xa hgi vd cai thi?n hQa dn gia dinh, van d6 dinh du&ng o tre co xu huong tdng ty I? thira dinh du&ng (thira can, beo phi) va giam ty le thieu dinh du&ng (thap coi, gay com). Theo dieu tra nam 2003, tai 7 quan ngi thanh Hd Ngi c6 7,9% (8,5% nam, 7,2% ni^) hgc sinh ti6u hpc bi thira ean-beo phi [3]. De cap nhat tinh hinh dinh duang ciia tre em tieu hgc ngi thanh Ha Ngi, nghien cim nay co muc tieu danh gia tinh trang thieu dinh duang (thap coi, gay com) va thira dinh duong (thira can, beo phi) 6 hpc sinh lua tuoi tieu hgc khu vuc npi thanh Ha Ngi, tir do giiip gia dinh va xd hpi thay ro thuc trang van de dinh duong hgc ducmg, va can co nhung bien phap can thiep kip thai nhdm tdng cuong the chat va tinh than ciia hgc sinh.
II. PHU'ONG P H A P NGHIEN ClTU 2.L Do! tirtmg nghien cihi
Co mdu dupe tinh theo cong thuc:
Zj __^jla he so tin cay, bdng 1,96 vol u - 0,05.
e la do chinh xac tuong doi Idy bdng 0,25.
Chgn hieu luc thiet k6 la 2 cho phuong phap each chgn mau cum.
Vai p la ty le uac doan chi tieu can nghien
cim tir nghifen ciru trudc: 3,8% b6o phi, 7,9%
thira can, 8,1% thdp c6i, vd 4,2% gdy c6m [3], [6].
C& mau tinh dupe cho tirng ty le beo phi, thira can, suy dinh du&ng thap coi va gay com Idn \vsqX Id 2.950, 1.433, 1.395 vd 2.804 hgc sinh. C& mau Idn nhdt dugc chgn la 2.950, them 5 % khong ddp ung dugc so hgc sinh heu hpc can dieu tra Id 3.100.
Tai 13 tru&ng tieu hpc thugc 5 quan npi thdnh Ha Npi (Hai Bd Tnmg, Hoan Kiem, Dong Da, Thanh Xuan, Hoang Mai), moi trudng chpn ngau nhien 5 Idp tir Idp I d^n lap 5, moi khoi chgn 1 Idp, tat cd cac hpc sinh thupc 5 Idp (trung binh moi Idp 50 hgc sinh) ndy dupe chpn vao nghien cihi. Hgc sinh c6 tuoi dudi 6 vd tren 10 tudi chiem ty le rat it va khong dupe dua vao phan tich. K.et qud c6 tong so 3.128 (1.607 nam va 1.521 nir) hgc sinh ti6u hgc tham gia nghien cuu.
2.2. Thu thap so lieu
Su dung bg cdu hoi thi^t k6 sdn de thu thap so li?u ve ddc diem cua ddi tugng nghien cuu, tuoi va gidi. Chieu cao va cdn nang ciia tre dugc do theo hudng din thudng quy cua Vien Dmh Du&ng. Do chieu cao bdng thudc g6 chuan a tu the dimg thdng va khong mang giay dep. Can nang dupe do bdng can dien tir OMRON khi tre mdc it quan ao va khong mang giay dep. Chi so khoi CO the dupe tinh bdng each chia can nang (kg) cho binh phuong chi6u cao (met). Cac gia tri Z-score ciia chieu cao, can nang va BMI theo haoi va gidi dugc tinh toan can cii vao so lieu chuan ve chieu cao, can ndng va BMI theo tuoi va gidi theo qudn th6 tham chi^u WHO 2007 [4]. Tinh trang suy dinh du&ng thdp coi dupe ddnh gid khi Z-score chieu cao/tu6i < -2SD.
Tinh trang suy dinh du&ng gay com, thira can vd b^o phi dugc ddnh gid theo chi so khoi ca th£
doi vdi tuoi (BMI/tuoi) dua vao quan the tham chieu WHO 2007 [4]; gdy com khi BMI/hj6i <
-2SD, thira can khi BMI/tu6i > +1 SD va b^o 50 Tap chi Y hoc dir phong. Tap XXIII, s6 I (136)
phi khi BMI/tuoi > +2SD.
2.3. PhSn tich th^ng 1<@
So liSu dugc nhap bang phdn mem EpiData va tinh trang dinh duong dugc phan tich bdng phan mem WHO Anthro Plus. Cac ddc trung ciia doi tugng nghien cuu dugc bi6u dien theo trung binh ± dp lech chuan ( ^ ± SD) doi vdi cdc bi6n dinh lugng hodc tan so (%) doi vdi cdc bien dinh tinh. Chieu cao, cdn ndng va BMI cua hpc sinh tieu hpc theo tung lua tuoi va gidi tirih dugc xac dinh va so sanh vdi cdc so lieu chudn theo qudn th6 tham chi^u WHO 2007 [4]
dua vao gia tri Z-score. Cdc phan tich thong ke dugc thuc hien tren phdn mem SPSS 16.0.
Y nghTa th6ng ke dupe xdc dinh vdi gid tri p <
0,05 theo 2 phia.
i n . KET QUA
Chieu cao hpc sinh nam co xu hudng thap han so vdi chieu cao chudn tren toan mau (p
= 0,051), trong do nhom nam 8 va 10 tuoi co chieu cao thdp han c6 y nghTa thong ke so vdi chieu cao chudn. Hgc sinh nii co chieu cao thap han so vdi chieu cao chuan tren toan mau (p <
0,0001) vd a cdc nhom tir 7 den 10 tuoi (Bang 1). Can nang cua hpc sinh heu hpc nam vd nir deu cao hon so vai chuan tren toan mau (p <
0,0001) va d cac nhom tii 6 den 9 tuoi, rieng can nang ciia nhom hgc sinh 10 tuoi khong co su khac biet c6 y nghTa thong ke so vdi chuan (Bang 2). Chi so khoi co the ciia hpc sinh tieu hgc nam va nu deu cao hon so vdi gia tri chuan d tdt cd cac lira tu6i ( p < 0,0001) (Bang 3).
Bang 1. Chilu cao cua hpc sinh tilu hpc theo tudi va givi
Nhom tu6i
Chieu cao
(cm) Z-score Chieu cao
(cm) Z-score
6 tuoi 119,1±5,4 7tu6i 124,6±5,6 8 tuoi 129,5±5,5 9 tuoi 135,0±5.9 10 tuoi 138,8±6,9
0,10±1,01 0,107 117,3±5,1 0,01±0,99 0,873 122,8±6,0 -0,11±0,92 0,032 128,7±6,0 -0,07±0,96 0,214 135,0±6,1 -0,19±1,04 0,004 139.7±7,0
-0,06+0,96 0,257 -0,16±1,03 0,004 -0,18±0,98 0,001 -0,13±0,95 0,020 -0,26±1,03 < 0,0001 Toan mau 129,1 ±9,0 -0.05±0,99 0,051 128,2±9,9 -0.16±0,99 < 0,0001
So lieu trong bang la trung binh ± do lech chudn. Z-score chi6u cao theo tuoi va gidi dugc tinh dua tren qudn the tham chi6u WHO 2007.
Gia tri p thu dugc tir kiem dinh T cho gia tri Z-score.
Tap chi Y hoc du phong. Tap XXIII, so 1 (136)
B i n g 2. can njing cua tH)C sinh ll4u hgc theo tuAi v i gl(»l
Nhom tuoi Nam Nir
(kg) ( M 6tu6i 23,9±4,9 0,55±1,39 < 0,0001 22,7±4,4 0,29±1,16 •: 0,0001 7tu6i 27,7 ±6,0 0,73±1.37 < 0,0001 25,2 ± 5,4 0,20±1,19 < 0,002 8tu6l 30.6±7,1 0,60t1,44 < 0,0001 29,0 ± 5,8 0,31±1,14 < 0,0001 91u6l 34,8±7,9 0,72±1,32 < 0,0001 32,2 ± 6,5 0,20t1,12 < 0,003 101u6l 37,0±9,0 0,33±1,86 0,473 35,4 ± 7,4 -0,06±1,20 0,887 ToSnmSu 30.6 ± 8,4 0,65±1,39 < 0,0001 28,6 ± 7,4 0,25±1.16 < 0,0001
S6 lieu trong bang la trung binh ± do lech Gia tri p thu dirge tir kiem dinh T cho gia tii chuSn Z-score can nang theo tuoi va gidi dugc Z-score.
tinh dira tren quan the tham chieu WHO 2007.
Bang 3. Chi so i<h6i CO' the cija hgc sinh tieu hgc theo tuoi vA gigi
BMI(kg/m=) Z-score BIVII (kg/m'l Z-score
6tu6l 16.7±2.5 0,69±1.46 < 0,0001 16,4±2,3 0,43±1,17 < 0,0001 7tu6l 17,7±2,9 1.00±1.48 < 0,0001 16.6 ± 2.6 0.3611.22 < 0,0001 81u6l 18.1 ±3.2 0.88*1.52 < 0,0001 17,4±2.6 0,53±1.14 < 0,0001 9 tuoi 19.0 ±3.3 1.01±1.37 < 0.0001 17.5 ±2.8 0.32±1.17 < 0,0001 10tu6i 19.0±3.5 0,77*1,36 < 0,0001 18.0±2,9 0,26±1,12 < 0,0001 Toanmlu 18,1 ± 3,2 0,88±1.44 < 0,0001 17.1 ±2.7 0.38±1.17 < 0,0001
52 Tap chi Y hoc dtr phong, Tap XXUI, s6 1 (136)
So lieu trong bang Id doing binh ± do lech chuan. Z-score BMI theo tu6i va gidi dugc tinh dua tr8n qudn thi tham chi^u WHO 2007.
Gia tri p thu dugc tir kiem dinh T cho gia tri Z-score.
Ty le suy dinh duong the thap coi va th6 gay com theo tuoi va gidi tinh d hgc sinh ti^u hgc da dugc xac dinh (Bang 4). Ty 1? hgc sinh
heu hpc bj suy dinh duang the thap coi la 2,4%
vd bi suy dinh duong the gay com la 2%. Ty le thap coi d hgc sinh nam tuong duong vdi hpc sinh nu tren todn mau va d tirng nhom tuoi. Ty le gdy com d hgc sinh nam tuong ducmg hgc sinh nii tren toan mdu va d nhom 6, 8 va 10 tuoi, trir nhom 7 va 9 tuoi d hpc sinh nam thdp CO y nghTa thong ke so vdi hpc sinh nu.
Bang 4. Ty I9 % thap c6i vd gay com cua hpc sinh tieu hpc theo tu6i vd gio-i Nhom tuoi
6 tuoi 7tu6i
ThSpi Chung
1,5 2,4
coi Nam
1.7 2,4
Ni>
1,4 2,5
1,00 1,00
Gay Chung
1,5 1,2
com Nam
1,4 0,3
NO'
1,7 2,2
0,749 0,036
8 tuoi 3,2 1,9 0,333
9 tuoi 10tu6i
2,2 2,1 3.0 5,0 0,268
0,8 3,0 3,0 2,3
0,047
0,788
1,7 2,2 0,301
Gid tri /? hr kiem dinh Fisher Exact Test so sanh hai ty le gma nam va nir.
Ty le thira can va beo phi theo tuoi va gidi tinh d hgc sinh tieu hgc tren toan mau cho thdy
ty le hgc sinh tieu hpc bi thira can la 23,4% vd bi beo phi id 17,3%. Hgc sinh nam co ty le thira can vd ty le beo phi cao hon hpc sinh niJ d tdt ca cdc lua tuoi (Bdng 5).
Tgp chi Y hpc du phong, Tap XXIII, so 1 (136)
Bdng 5. Ty lg % thipa cdn vd b6o phi cua hgc sinh ti4u hgc theo tu&l va gl6'l tinh
Nh6m tu6i
B6o phi
Chung Nam NO* Chung Nam NIF
6 tuoi 7tu6i 8tu6l 9tui5l 1Qtu6l
21,8 21,4 22,2 0,01 20,8 21,0 20,6 < 0,0001 25,0 23,2 26,8 < 0,0001 24,8 26,0 23,4 < 0,0001 24,4 27,8 20,9 < 0,0001
15,8 21.4 10,1 < 0,0001 19,1 28,5 9,5 < 0,0001 19,8 28,8 9,9 < 0,0001 17,6 27,4 6,8 < 0,0001 13.1 20,4 5.4 < 0.0001 Toan m l u 23.4 23.8 22.9 ! 0.0001 17.3 25.6 8.4 t 0,0001 Gia tri/7 tir kiem djnh Chisquare Test cho so co 40,7% hgc sinh bi thira can-beo phi, va CO sanh hai ty le giira nam va nir, 0,7% hgc sinh bi ph6i hgp giira suy dinh duong
Tong hgp cac van de dinh duong cho thay: thap coi vai cac the khac nhtr gSy com ho5c Chi CO 55,6% hgc sinh tieu hgc binh thudng, thira can-beo phi.
tiic la khong bi thieu hoac thira dinh duong;
50%
40%
30%
10%
D T h u a c a n " Thap coi
• Beo phi • G ^ y c o m
19,3%
Ti'ifM.
Mai 3,9%
2,8%
23,7%
Xuan 2,2%
24,9%
i
D o n g 2.9%
0,8%, 22,3%
Hai Ba Truna
1,2%
0,8%
31.0%
26,2%
Hoan 2,4%
0.7%
Hinh 1. Phan bo ty le thap coi, gay com. thu'a can va beo phi theo quan
54 Tap chi Y hoc du phong. Tap XXIII, s6 I (136)
Sv phan bo ty le thiia can, beo phi va thap coi, gdy com, d hgc sinh ti8u hgc theo qudn theo xu hudng tii ngoai vi tdi trung tam dupe mo td nhu sau: Ty IS thira can va beo phi co xu the cao hon d cdc quan trung tam thdnh pho (Hoan Kiem, Hai Ba Tnmg) so vdi cdc qudn xa trung tam hem (Hoang Mai, Thanh Xuan, Dong Da).
Ty 16 beo phi tang dan: 12,2% d qudn Hoang Mai, 17,1% d quan Dong Da vd 17,7% d quan Thanh Xudn, 20,7% d quan Hai Bd Tnmg vd 25,2% d qudn Hoan Kiem. Ty le thira can ciing cd xu thg tuong tu: 19,3% d quan Hoang Mai, 23,7% d qudn Dong Da, 24,9% d quan Thanh Xuan, 22,3% d quan Hai Ba Trung vd 31% d qudn Hoan Kiem.
IV. BAN L U . \ N
Cdc roi loan tinh trang dinh dudng d lua tuoi tieu hgc bao gom suy dinh dudng the thdp coi, the gay com, thira can va beo phi. Trong nghien cuu ndy, ganh nang kep da nghieng han ve phia thira dinh dudng (Hinh 1) vdi ty le thira can va beo phi chiem 40,7% so vdi 4,5% ty le thap coi vd gdy com (Bang 4 va Bang 5). Tinh trang thiia can va beo phi cao hon d nam so vdi nu (Bang 5), va co xu the tang len d nhiing qudn trung tdm so vdi nhirng qudn xa trung tdm hon (Hinh 1). Biic tranh van de dinh dudng d hpc sinh tieu hpc cho thay vdn de thira dinh dudng (thira can va beo phi) la chu yeu va la vdn de cap thiet can uu tien cac giai phap can thiep trong giai doan hien nay.
Theo cac nghien cuu trudc ddy tai mot so trudng tieu hpc ngi thanh Hd Ngi, trudc nam 1995 hdu nhu khong c6 beo phi, ty le thira can khong ddng ke [2], ty le thira can-beo phi la 7,9% nam 2003 [3]. Nghien ciru cua chiing toi nam 2011 cho thay co 23,4% hgc sinh bi thira cdn vd 17,3% hgc sinh bi beo phi, 2,4% hoc sinh bi thap coi va 2% hgc sinh hi gay com (Bdng 4 vd Bang 5). Cac ty le tren tuong tu
nhu d hgc sinh tieu hgc npi thanh Thanh pho H6 Chi Minh ndm 2009 [5] vdi 24,9% thira cdn vd 17,4% beo phi, 2,8% thdp coi va 2,5% gdy com. Ty le thira can vd biSo phi d hai thdnh pho tren cao hem ty le chung ciia ca nude, theo tong digu tra nam 2009-2010 udc tinh co 15% thira can vd 7% b^o phi [6].
Ve gidi tinh, ty le thira cdn va beo phi d hoc sinh tieu hgc nam cao hon nir d cac lua tuoi trong nghien cuu tai Ha Ngi (Bang 5), Thanh pho Ho Chi Minh va hau het cac dja ban nghien cuu [3],[5],[6] md d do da so cdc ddn tgc theo che dp Phu he, d cac hp kinh te vdi cac muc dp khac nhau, d hau het cac viing sinh thai tru Tdy Nguyen [6]; trong khi do ty le hoc sinh heu hpc thira can-beo phi d nir cao hon nam d cac ddn tgc theo che do Mau he (Bana) [6]. Thuc te do CO the phan anh su mat can bang gidi trong quan tam cham soc an uong d cac gia dinh vd tac dgng ciia cac yeu to van hoa-xa hpi. Van de nay can dugc lam sang to trong cac nghien cuu tiep theo.
Trong nghien ciru nay, chiing toi su dyng tieu chuan phan loai thira can va beo phi theo hudng dan ciia To chuc Y te The gidi vdi quan thg tham chidu WHO 2007. Day la hudng ddn mdi nhat hien nay ciia To chuc Y te The gidi ve danh gia tinh trang dinh duong cho tre em d lira tuoi tieu hgc. Hudng dan nay cung dupe Vien Dinh dudng Quoc gia khuyen cao de danh gia tinb trang dinh dudng tre em tieu hpc [7]. Neu diing tieu chuan phan loai ciia To chiic hanh dgng vi beo phi quoc te lOTF [8], ty le thira can se la 23,9% vd beo phi la 8,6%, thap hon so vdi tieu chudn theo quan the tham chilu WHO 2007
V. KET LUAN
Nghien cuu tai cdc trudng tieu hgc ngi thanh Ha Ngi cho thay ganh nang kep ve van de dinh dudng da nghieng han ve phia thira dinh dudng Tap chi Y hoc dir phoiig, Tap XXIII, s6 1 (136) 55
vdi 23,4% hgc sinh hi thira can vd 17,3% hpc sinh bi beo phi, so vdi 2,4% hpc sinh hi thap cdi va 2% hgc sinh bi gdy com. Ty lg thdp coi va gay com d hgc sinh nam tuong duong vdi hgc sinh nit tren toan mau va d cdc nh6m tuoi, trir nhom tuoi 7 vd 9 hpc sinh nam c6 ty lg gay c6m thdp CO y nghTa th6ng ke so vdi hpc sinh na. Can cd cac can thi^p dinh dudng hgc dudng tdp trung vdo van de thira can vd beo phi d hpc sinh tieu hpc khu vuc ngi thanh.
Loi cam ffn
Chiing tdi chan thanh cam on cdc em hgc sinh, cha me cdc em va cdc thay co giao cdc trudng tieu hgc Hd Ngi da nhigt tinh cgng tdc vdi nhdm dieu tra Nghien ciiu dugc sy tdi trg ciia Sd Khoa hgc vd Cong Nghe Ha Npi cho de tdi "Nghien cim moi lien quan ciia gen va loi song doi vdi nguy co mdc benh beo phi ciia tre em ixhu hgc Ha Ngi", ma s6 OlC-08/05-2011-2.
TAI LIEU THAM KHAO
1. Lobstein T, Baur L & Uauy R (2004).
Obesity in children and young people:
a crisis in public health, Obes Rev 5(1):
4-104.
2. Le Thi Hdi vd cong su (1998). Tim hieu mot
sd y6u to nguy ca b?nh b^o phi d hpc sinh 6-12 tu6i tai hai trudng ti6u hgc npi thanh Ha Ngi. D6 tdi cap bp.
3. Bg Y td/Vien dinh dudng (2004). Tinh tr?ng thira cdn-b6o phi d tre 7-12 tuoi tai Hd ngi vd ddnh gid higu qua mpt so cac giai phap can thi^p. Bdo cdo de tai nhdnh cdp nha nude KC. 10.05.
4. WHO, Growth reference data for 5-19 years, http:/www.who.int/growthref/en 5. Trdn Thj Minh Hanh, Vu Quynh Hoa, Ph?m
Nggc Oanh, Do Thi Nggc Di?p, LeThj Kim Quy (2012). Tinh trang dinh dudng hpc sinh tieu hgc Thdnh pho Ho Chi Minh. Tap chi Dinh dudng vd Thuc phdm 8(7):32-39.
6. Bg Y taA^ien dmh dudng (2010) Tong di6u tra dinh dudng 2009-2010. Nha xuat ban Y hpc. Ha Npi 2010. trang 136-139.
7. Le Thi Hop vaHuynh Nam Phuong (2011).
Thdng nhat ve phucmg phdp ddnh gid tinh trang dinh du&ng bdng nhdn trdc hgc. Tap chi Dinh dudng vd Thyc pham 7(2) 8 Cole TJ, Belhzzi MC, Flegal KM, Dietz
WH (2000). Establishing a standard definition for child overweight and obesity worldwide: international survey. BMJ 320:1-6.
S6 Tap chi Y hpc dy phong, Tap XXIII, s6 1 (136)
NUTRITIONAL STATUS OF PRIMARY SCHOOL CHILDREN IN URBAN AREAS OF HANOI, 2011
Bui Thi Nhung, Le Thi Hop, Tran Quang Binh', Le Nguyen Bao Khanh, Le Bach Mai, Nguyen Do Van Anh, Nguyen Thi Lam, Nguyen Do Huy, Tran Thanh Nam", Duong Van Thanh', Pliam Tran Phuffng*, Pham Thi T\iyet Lan"*, Nguyen Thi Hong Hanh" *, Le Thi Tuyet""
National Institute of Nutrition, Hanoi
*National Institute of Hygiene & Epidemiology, Hanoi
** Academy of Journalism and Communication, Hanoi
***Pham Ngoc Thach Medical University, Hochiminh city
****Hanoi National University of Education
A cross-sectional study was designed to identify the nutritional status of children in primary schools of urban areas of Hanoi City in 2011, using the WHO Reference 2007. The results from 3128 primary school children showed that ovemutrition status was predominant than undernutrition status: 23.4%
overweight and 17.3% obesity in comparison
with 2.4% stunting and 2% wasting. Prevalence of stunting and wasting was not different between boys and girls in total samples and each age group, except for 7-age and 9-age groups: prevalence of wasting was significantly lower in boys compared to girls.
Key words: Nutritional status, primary school children, urban areas, Hanoi, 2011
Tap chi Y hgc du phong. Tap XXIII, s6 1 (13 6)
