Classification Tablea
Observed
Predicted perilaku merokok
Percentage Correct merokok
tidak merokok Step 1 perilaku
merokok
merokok 40 11 78.4
tidak
merokok 8 72 90.0
Overall Percentage 85.5
a. The cut value is .500
Variables in the Equation
B S.E. Wald df Sig. Exp(B)
95% C.I.for EXP(B) Lower Upper Step
1a
pengetahuan 1.689 .606 7.774 1 .005 5.416 1.652 17.757 sikap 2.230 .578 14.876 1 .000 9.295 2.994 28.861 peran_teman_sebaya 1.273 .589 4.666 1 .031 3.571 1.125 11.332 dukungan_keluarga 2.901 .603 23.105 1 .000 18.183 5.572 59.336
Constant -
3.952 .804 24.160 1 .000 .019 a. Variable(s) entered on step 1: pengetahuan, sikap, peran_teman_sebaya, dukungan_keluarga.
Frequencies
Statistics
P1 P2 P3 P4 P5 P6 P7 P8 P9 P1
0 P1
1 P1
2 P1
3 P1
4 P1
5 N Valid 13
1 13
1 13
1 13
1 13
1 13
1 13
1 13
1 13
1 13
1 13
1 13
1 13
1 13
1 13
1 Missi
ng 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Statistics
S1 S2 S3 S4 S5 S6 S7 S8 S9 S10
N Valid 131 131 131 131 131 131 131 131 131 131
Missing 0 0 0 0 0 0 0 0 0 0
Statistics
PTS 1 PTS 2 PTS 3 PTS 4 PTS 5 PTS 6 PTS 7 PTS 8 PTS 9 PTS 10
N Valid 131 131 131 131 131 131 131 131 131 131
Missing 0 0 0 0 0 0 0 0 0 0
Statistics
DK 1 DK 2 DK 3 DK 4 DK 5 DK 6 DK 7 DK 8 DK 9 DK 10
N Valid 131 131 131 131 131 131 131 131 131 131
Missing 0 0 0 0 0 0 0 0 0 0
Frequency Table
pengetahuan 1
Frequency Percent Valid Percent Cumulative Percent
Valid salah 50 38.2 38.2 38.2
benar 81 61.8 61.8 100.0
Total 131 100.0 100.0
pengetahuan 2
Frequency Percent Valid Percent Cumulative Percent
Valid salah 68 51.9 51.9 51.9
benar 63 48.1 48.1 100.0
Total 131 100.0 100.0
pengetahuan 3
Frequency Percent Valid Percent Cumulative Percent
Valid salah 55 42.0 42.0 42.0
benar 76 58.0 58.0 100.0
Total 131 100.0 100.0
pengetahuan 4
Frequency Percent Valid Percent Cumulative Percent
Valid salah 64 48.9 48.9 48.9
benar 67 51.1 51.1 100.0
Total 131 100.0 100.0
pengetahuan 5
Frequency Percent Valid Percent Cumulative Percent
Valid salah 64 48.9 48.9 48.9
benar 67 51.1 51.1 100.0
Total 131 100.0 100.0
pengetahuan 6
Frequency Percent Valid Percent Cumulative Percent
Valid salah 72 55.0 55.0 55.0
benar 59 45.0 45.0 100.0
Total 131 100.0 100.0
pengetahuan 7
Frequency Percent Valid Percent Cumulative Percent
Valid salah 63 48.1 48.1 48.1
benar 68 51.9 51.9 100.0
Total 131 100.0 100.0
pengetahuan 8
Frequency Percent Valid Percent Cumulative Percent
Valid salah 51 38.9 38.9 38.9
benar 80 61.1 61.1 100.0
Total 131 100.0 100.0
pengetahuan 9
Frequency Percent Valid Percent Cumulative Percent
Valid salah 66 50.4 50.4 50.4
benar 65 49.6 49.6 100.0
Total 131 100.0 100.0
pengetahuan 10
Frequency Percent Valid Percent Cumulative Percent
Valid salah 46 35.1 35.1 35.1
benar 85 64.9 64.9 100.0
Total 131 100.0 100.0
pengetahuan 11
Frequency Percent Valid Percent Cumulative Percent
Valid salah 47 35.9 35.9 35.9
benar 84 64.1 64.1 100.0
Total 131 100.0 100.0
pengetahuan 12
Frequency Percent Valid Percent Cumulative Percent
Valid salah 47 35.9 35.9 35.9
benar 84 64.1 64.1 100.0
Total 131 100.0 100.0
pengetahuan 13
Frequency Percent Valid Percent Cumulative Percent
Valid salah 58 44.3 44.3 44.3
benar 73 55.7 55.7 100.0
Total 131 100.0 100.0
pengetahuan 14
Frequency Percent Valid Percent Cumulative Percent
Valid salah 48 36.6 36.6 36.6
benar 83 63.4 63.4 100.0
Total 131 100.0 100.0
pengetahuan 15
Frequency Percent Valid Percent Cumulative Percent
Valid salah 56 42.7 42.7 42.7
benar 75 57.3 57.3 100.0
Total 131 100.0 100.0
sikap 1
Frequency Percent Valid Percent Cumulative Percent
Valid SS 34 26.0 26.0 26.0
S 26 19.8 19.8 45.8
TS 26 19.8 19.8 65.6
STS 45 34.4 34.4 100.0
Total 131 100.0 100.0
sikap 2
Frequency Percent Valid Percent Cumulative Percent
Valid SS 29 22.1 22.1 22.1
S 30 22.9 22.9 45.0
TS 29 22.1 22.1 67.2
STS 43 32.8 32.8 100.0
Total 131 100.0 100.0
sikap 3
Frequency Percent Valid Percent Cumulative Percent
Valid SS 31 23.7 23.7 23.7
S 27 20.6 20.6 44.3
TS 31 23.7 23.7 67.9
STS 42 32.1 32.1 100.0
Total 131 100.0 100.0
sikap 4
Frequency Percent Valid Percent Cumulative Percent
Valid SS 29 22.1 22.1 22.1
S 39 29.8 29.8 51.9
TS 28 21.4 21.4 73.3
STS 35 26.7 26.7 100.0
Total 131 100.0 100.0
sikap 5
Frequency Percent Valid Percent Cumulative Percent
Valid SS 31 23.7 23.7 23.7
S 41 31.3 31.3 55.0
TS 26 19.8 19.8 74.8
STS 33 25.2 25.2 100.0
Total 131 100.0 100.0
sikap 6
Frequency Percent Valid Percent Cumulative Percent
Valid SS 30 22.9 22.9 22.9
S 48 36.6 36.6 59.5
TS 24 18.3 18.3 77.9
STS 29 22.1 22.1 100.0
Total 131 100.0 100.0
sikap 7
Frequency Percent Valid Percent Cumulative Percent
Valid SS 28 21.4 21.4 21.4
S 51 38.9 38.9 60.3
TS 18 13.7 13.7 74.0
STS 34 26.0 26.0 100.0
Total 131 100.0 100.0
sikap 8
Frequency Percent Valid Percent Cumulative Percent
Valid SS 29 22.1 22.1 22.1
S 44 33.6 33.6 55.7
TS 27 20.6 20.6 76.3
STS 31 23.7 23.7 100.0
Total 131 100.0 100.0
sikap 9
Frequency Percent Valid Percent Cumulative Percent
Valid SS 33 25.2 25.2 25.2
S 44 33.6 33.6 58.8
TS 19 14.5 14.5 73.3
STS 35 26.7 26.7 100.0
Total 131 100.0 100.0
sikap 10
Frequency Percent Valid Percent Cumulative Percent
Valid SS 39 29.8 29.8 29.8
S 44 33.6 33.6 63.4
TS 26 19.8 19.8 83.2
STS 22 16.8 16.8 100.0
Total 131 100.0 100.0
peran teman sebaya 1
Frequency Percent Valid Percent Cumulative Percent
Valid ya 59 45.0 45.0 45.0
tidak 72 55.0 55.0 100.0
Total 131 100.0 100.0
peran teman sebaya 2
Frequency Percent Valid Percent Cumulative Percent
Valid ya 56 42.7 42.7 42.7
tidak 75 57.3 57.3 100.0
Total 131 100.0 100.0
peran teman sebaya 3
Frequency Percent Valid Percent Cumulative Percent
Valid ya 55 42.0 42.0 42.0
tidak 76 58.0 58.0 100.0
Total 131 100.0 100.0
peran teman sebaya 4
Frequency Percent Valid Percent Cumulative Percent
Valid ya 54 41.2 41.2 41.2
tidak 77 58.8 58.8 100.0
Total 131 100.0 100.0
peran teman sebaya 5
Frequency Percent Valid Percent Cumulative Percent
Valid ya 45 34.4 34.4 34.4
tidak 86 65.6 65.6 100.0
Total 131 100.0 100.0
peran teman sebaya 6
Frequency Percent Valid Percent Cumulative Percent
Valid ya 62 47.3 47.3 47.3
tidak 69 52.7 52.7 100.0
Total 131 100.0 100.0
peran teman sebaya 7
Frequency Percent Valid Percent Cumulative Percent
Valid ya 54 41.2 41.2 41.2
tidak 77 58.8 58.8 100.0
Total 131 100.0 100.0
peran teman sebaya 8
Frequency Percent Valid Percent Cumulative Percent
Valid ya 54 41.2 41.2 41.2
tidak 77 58.8 58.8 100.0
Total 131 100.0 100.0
peran teman sebaya 9
Frequency Percent Valid Percent Cumulative Percent
Valid ya 61 46.6 46.6 46.6
tidak 70 53.4 53.4 100.0
Total 131 100.0 100.0
peran teman sebaya 10
Frequency Percent Valid Percent Cumulative Percent
Valid ya 50 38.2 38.2 38.2
tidak 81 61.8 61.8 100.0
Total 131 100.0 100.0
dukungan keluarga 1
Frequency Percent Valid Percent Cumulative Percent
Valid ya 51 38.9 38.9 38.9
tidak 80 61.1 61.1 100.0
Total 131 100.0 100.0
dukungan keluarga 2
Frequency Percent Valid Percent Cumulative Percent
Valid ya 55 42.0 42.0 42.0
tidak 76 58.0 58.0 100.0
Total 131 100.0 100.0
dukungan keluarga 3
Frequency Percent Valid Percent Cumulative Percent
Valid ya 42 32.1 32.1 32.1
tidak 89 67.9 67.9 100.0
Total 131 100.0 100.0
dukungan keluarga 4
Frequency Percent Valid Percent Cumulative Percent
Valid ya 53 40.5 40.5 40.5
tidak 78 59.5 59.5 100.0
Total 131 100.0 100.0
dukungan keluarga 5
Frequency Percent Valid Percent Cumulative Percent
Valid ya 40 30.5 30.5 30.5
tidak 91 69.5 69.5 100.0
Total 131 100.0 100.0
dukungan keluarga 6
Frequency Percent Valid Percent Cumulative Percent
Valid ya 46 35.1 35.1 35.1
tidak 85 64.9 64.9 100.0
Total 131 100.0 100.0
dukungan keluarga 7
Frequency Percent Valid Percent Cumulative Percent
Valid ya 49 37.4 37.4 37.4
tidak 82 62.6 62.6 100.0
Total 131 100.0 100.0
dukungan keluarga 8
Frequency Percent Valid Percent Cumulative Percent
Valid ya 47 35.9 35.9 35.9
tidak 84 64.1 64.1 100.0
Total 131 100.0 100.0
dukungan keluarga 9
Frequency Percent Valid Percent Cumulative Percent
Valid ya 45 34.4 34.4 34.4
tidak 86 65.6 65.6 100.0
Total 131 100.0 100.0
dukungan keluarga 10
Frequency Percent Valid Percent Cumulative Percent
Valid ya 42 32.1 32.1 32.1
tidak 89 67.9 67.9 100.0
Total 131 100.0 100.0
Logistic Regression
Case Processing Summary
Unweighted Casesa N Percent
Selected Cases Included in Analysis 131 100.0
Missing Cases 0 .0
Total 131 100.0
Unselected Cases 0 .0
Total 131 100.0
a. If weight is in effect, see classification table for the total number of cases.
Dependent Variable Encoding Original Value Internal Value
merokok 0
tidak merokok 1
Block 0: Beginning Block
Iteration Historya,b,c Iteration
-2 Log likelihood
Coefficients Constant
Step 0 1 175.133 .443
2 175.131 .450
3 175.131 .450
a. Constant is included in the model.
b. Initial -2 Log Likelihood: 175.131
c. Estimation terminated at iteration number 3 because parameter estimates changed by less than . 001.
Classification Tablea,b
Observed
Predicted
perilaku merokok Percentage Correct merokok tidak merokok
Step 0 perilaku merokok merokok 0 51 .0
tidak merokok 0 80 100.0
Overall Percentage 61.1
a. Constant is included in the model.
b. The cut value is .500
Variables in the Equation
B S.E. Wald df Sig. Exp(B)
Step 0 Constant .450 .179 6.313 1 .012 1.569
Variables not in the Equation
Score df Sig.
Step 0 Variables umur 2.297 1 .130
pengetahuan 13.900 1 .000
sikap 44.946 1 .000
peran_teman_sebaya 15.263 1 .000
dukungan_keluarga 54.435 1 .000
Overall Statistics 78.527 5 .000
Block 1: Method = Enter
Iteration Historya,b,c,d Iteratio
n
-2 Log likelihoo
d
Coefficients Constan
t umu
r pengetahua
n sika
p peran_teman_seba
ya dukungan_keluar ga Ste
p 1 1 89.818 -2.746 .250 .753 1.29
2 .509 1.757
2 76.480 -4.567 .483 1.413 1.98
1 .917 2.505
3 73.627 -5.891 .654 1.915 2.43
0 1.222 3.049
4 73.386 -6.416 .720 2.114 2.60
5 1.345 3.271
5 73.383 -6.477 .728 2.137 2.62
6 1.359 3.297
6 73.383 -6.478 .728 2.137 2.62
6 1.359 3.298
a. Method: Enter
b. Constant is included in the model.
c. Initial -2 Log Likelihood: 175.131
d. Estimation terminated at iteration number 6 because parameter estimates changed by less than .001.
Omnibus Tests of Model Coefficients
Chi-square df Sig.
Step 1 Step 101.748 5 .000
Block 101.748 5 .000
Model 101.748 5 .000
Model Summary Step
-2 Log likelihood
Cox & Snell R Square
Nagelkerke R Square
1 73.383a .540 .732
a. Estimation terminated at iteration number 6 because parameter estimates changed by less than .001.
Hosmer and Lemeshow Test
Step Chi-square df Sig.
1 5.766 8 .673
Contingency Table for Hosmer and Lemeshow Test perilaku merokok =
merokok
perilaku merokok = tidak
merokok Total
Observed Expected Observed Expected
Step 1 1 13 12.861 0 .139 13
2 14 14.320 1 .680 15
3 9 10.365 4 2.635 13
4 9 7.082 5 6.918 14
5 5 3.462 7 8.538 12
6 0 1.765 14 12.235 14
7 1 .719 13 13.281 14
8 0 .256 11 10.744 11
9 0 .145 16 15.855 16
10 0 .026 9 8.974 9
Classification Tablea
Observed
Predicted
perilaku merokok Percentage Correct merokok tidak merokok
Step 1 perilaku merokok merokok 42 9 82.4
tidak merokok 7 73 91.3
Overall Percentage 87.8
a. The cut value is .500
Variables in the Equation
B S.E. Wald df Sig. Exp(B)
95% C.I.for EXP(B) Lower Upper Step
1a
umur .728 .268 7.393 1 .007 2.070 1.225 3.499
pengetahuan 2.137 .685 9.727 1 .002 8.472 2.212 32.450 sikap 2.626 .647 16.495 1 .000 13.819 3.891 49.071 peran_teman_sebaya 1.359 .625 4.726 1 .030 3.893 1.143 13.260 dukungan_keluarga 3.298 .697 22.407 1 .000 27.046 6.905 105.941
Constant -
6.478 1.390 21.722 1 .000 .002
a. Variable(s) entered on step 1: umur, pengetahuan, sikap, peran_teman_sebaya, dukungan_keluarga.
Correlation Matrix Consta
nt
um ur
pengetah uan
sika p
peran_teman_se baya
dukungan_kelu arga Ste
p 1
Constant 1.000 -.78
5 -.637 -.53
1 -.445 -.671
umur -.785 1.0
00 .359 .
328 .150 .374
pengetahuan -.637 .
359 1.000 .
191 .288 .377
sikap -.531 .
328 .191 1.0
00 .088 .302
peran_teman_se
baya -.445 .
150 .288 .
088 1.000 .143
dukungan_kelua
rga -.671 .
374 .377 .
302 .143 1.000
Lampiran 6. Dokumentasi
Gambar 1. Lokasi penelitian SMA Negeri 20 Medan
Gambar 2. Dokumentasi Survei Awal
Gambar 3. Dokumentasi Uji Validitas
Gambar 4. Dokumentasi Uji Validitas
Gambar 5. Dokumentasi Uji Validitas
Gambar 6. Dokumentasi Uji Validitas
Gambar 7. Dokumentasi Penelitian
Gambar 8. Dokumentasi Penelitian
Gambar 9. Dokumentasi Penelitian
Gambar 10. Dokumentasi Penelitian
Gambar 11. Dokumentasi Penelitian
Gambar 12. Dokumentasi Penelitian
Lampiran 7. Lembar Permohonan Pengajuan Judul Skripsi
Lampiran 8. Surat Survei Awal
Lampiran 9. Surat Balasan Survei Awal
Lampiran 10. Surat Uji Validitas
Lampiran 11. Surat Balasan Uji Validitas
Lampiran 12. Surat Izin Penelitian
Lampiran 13. Surat Balasan Penelitian
Lampiran 14. Lembar Bimbingan Proposal Pembimbing 1
Lampiran 15. Lembar Bimbingan Proposal Pembimbing 2
Lampiran 15. Lembar Persetujuan Perbaikan (Revisi)