Table 2 Competencies and Sexual and Reproductive Behavior of Girls in Grade 7 by Age Categories

  Up to secondary school

305 (15.5)

372 (24.5)

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  Beyond secondary school

1666 (84.5)

1146 (75.5)

0.59 ^b (0.50, 0.69) < 0.001

0.63^b (0.53, 0.74) < 0.001

 Up to secondary school

922 (46.8)

874 (57.6)

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  Beyond secondary school

1049 (53.2)

644 (42.4)

0.68^b (0.59, 0.77) < 0.001

0.78 ^b (0.68, 0.89) < 0.001

  No

927 (47.0)

261 (17.2)

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  Yes

1044 (55.0)

1257 (82.8)

4.10 ^b (3.50, 4.81) < 0.001

4.12 ^b (3.51, 4.82) < 0.001

  You do not feel confident answering questions in class (agree)

640 (32.6)

564 (37.3)

1.24 ^b (1.07, 1.43) 0.003

1.18 ^b (1.02, 1.36) 0.025

  You always complete your school work (agree)

1837 (93.3)

1412 (93.0)

0.96 ^b (0.74, 1.22) 0.732

1.03 ^b (0.80, 1.32) 0.829

  You believe you are capable of doing well in school (agree)

1917 (97.6)

1461 (96.6)

0.70 ^b (0.45, 1.08) 0.109

0.70 ^b (0.45, 1.09) 0.119

  You often do not understand the lessons (agree)

648 (32.9)

632 (41.6)

1.47 ^b (1.27, 1.71) < 0.001

1.37 ^b (1.18, 1.60) < 0.001

  Cognitive skills (score:0–15)

9.5 (3.0) 1971

8.3 (3.1) 1518

-1.13^c (−1.35, −0.091) < 0.001

−0.99 ^c (−1.19, −0.78) < 0.001

  Literacy skills (score:0–4)

3.9 (0.5) 1971

3.8 (0.8) 1518

− 0.19 ^c (− 0.24, − 0.13) < 0.001

− 0.19 ^c (− 0.25, − 0.13) ^d < 0.001

  Mathematics skills (score:0–38)

30.2 (3.5) 1971

28.9 (4.2) 1158

− 1.26 ^c (− 1.58, − 0.94) < 0.001

− 1.12 ^c (− 1.43, − 0.81) < 0.003

 Self-efficacy (mean,(SD),n) (scale:0–10; alpha: 0.7337)

5.3 (2.6) 1971

5.3 (2.6) 1518

− 0.015 ^c (− 0.19, 0.16) 0.869

0.036 ^c (−0.15, 0.22) 0.702

 Decision-making (mean,(SD),n) (scale:0–13; alpha: 0.7790)

6.1 (3.3) 1971

6.4 (3.2) 1518

0.32 ^c (0.086, 0.54) 0.007

0.36 ^c (0.13, 0.60) 0.002

 Pregnancy knowledge (score:0–4)

2.5 (0.6) 919

2.5 (0.6) 761

−0.045 ^c (− 0.10,0.0096) 0.105

−0.040 ^c (− 0.097, 0.017) 0.171

 Can spontaneously name a method of modern contraception (n (%))

908 (46.1)

870 (57.3)

1.60 ^b (1.38, 1.83) < 0.001

1.56 ^b (1.36, 1.80) < 0.001

 STI knowledge score (score:0–4)

0.42 (0.92) 1971

0.43 (0.91) 1518

0.0068 ^c (−0.031, 0.045) 0.727

0.0078 ^c (−0.031, 0.046) 0.687

 HIV knowledge score (score:0–11)

8.0 (1.8) 1971

7.9 (1.8) 1518

−0.017 ^c (− 0.043, 0.0089) 0.197

−0.017 (− 0.043, 0.009) 0.192

 Started menstruation

1258 (67.0)

1467 (97.2)

16.79 ^b (12.28, 22.95) < 0.001

16.37 ^b (11.97, 22.39) < 0.001

 Ever had sex

145 (7.4)

249 (16.4)

2.43 ^b (1.96, 3.02) < 0.001

2.33 ^b (1.85, 2.91) < 0.001

 Gender Norms (mean,(SD),n) (score:0–4; alpha: 0.6529

1.39 (1.04) 1971

1.29 (1.04) 1518

−0.11 (−0.18, − 0.04) 0.002

−0.091 (− 0.16, − 0.022) 0.010

 GBV: Agrees with IPV in marriage (n(%))

1258 (63.8)

1061 (69.9)

1.26 ^b (1.08, 1.47) 0.003

1.17 ^b (1.00, 1.37) 0.050