Table 2 Differences-in-differences analysis of primary and secondary outcomes

Knowledge score

13 (11–15)

16 (15–16)

03 (z = −20.64, 0.02)

13 (11–14)

14 (13–15)

01 (z = −  9.01,0.01)

02 (z = 4.69,0.00)*

Contraceptive use

69.1%

82.2%

13.1%[0.00: 7.8–18.4]

73.7%

80.2%

06.5% [0.02:1.2–11.8]

06.6% [0.00:3.0–10.4]*

HIV VTC

68.0%

90.5%

22.5%[0.00:17.8–27.3]

64.2%

69.6%

05.4% [0.09: −0.6-11.3]

17.2% [0.00:13.0–21.4]*

STI D & T

52.3%

82.2%

29.8%[0.00:24.3–35.3]

52.3%

69.3%

17.0%[0.00:10.9–23.1]

12.9% [0.00:7.6–18.1]*

Condom use

66.2%

76.8%

10.4% [0.00: 5.1–16.3]

66.6%

73.0%

06.4% [0.03: 0.6–12.2]

04.0% [0.02:0.8–7.8]*

Alcohol use

7.6%

10.9%

03.3% [0.07: −0.3-7.0]

04.0%

07.5%

03.5%[0.02: 0.5–6.5]

− 00.2% [0.86:-.0.2–2.1]