Table 3 Key outcomes for the GNG OE in control and intervention arms

Menstrual health management

 Fertility awareness

3% (2–4%)

16% (14–18%)

3% (2–4%)

10% (8–11%)

 < 0.0001

4% (3–5%)

23% (20–26%)

 < 0.0001

 Awareness of 3 or more menstrual hygiene products

33% (31–35%)

63% (61–65%)

32% (29–35%)

39% (36–42%)

0.0031

33% (31–37%)

92% (90–94%)

 < 0.0001

 Use of sanitary menstrual hygiene products

94% (93–95%)

95% (94–96%)

94% (92–95%)

95% (93–96%)

0.3614

95% (93–96%)

96% (94–97%)

 < 0.4012

 Practised tracking their menstrual cycle

22% (20–24%)

31% (29–33%)

20% (18–23%)

24% (21–26%)

0.0821

24% (21–27%)

40% (36–43%)

 < 0.0001

 Attitude towards MHM

19.61 (19.43–19.81)

21.57 (21.40–21.74)

19.56 (19.30–19.83)

21.14 (20.91–21.36)

 < 0.0001

19.69 (19.41–19.98)

22.09 (21.83–22.34)

 < 0.0001

Contraception

 Comprehensive knowledge of OCP

3% (2–3%)

11% (10–13%)

3% (2–4%)

6% (4–8%)

0.0011

2% (1–3%)

17% (15–20%)

 < 0.0001

 Comprehensive knowledge of condom

11% (9–12%)

28% (26–31%)

11% (9–13%)

21% (19–24%)

 < 0.0001

10% (8–12%)

37% (34–40%)

 < 0.0001

 Comprehensive knowledge of ECP

1. (0–0.2%)

7% (6–8%)

0.1% (0–0.3%)

3% (2–4%)

 < 0.0001

0.1% (0–0.4%)

12% (9–14%)

 < 0.0001

 Confident in negotiating contraception

61% (59–63%)

75% (73–77%)

62% (59–65%)

70% (67–73%)

0.0002

60% (57–64%)

82% (79–84%)

 < 0.0001

Agency

 Intend to negotiate when and whom to marry

69% (66–71%)

76% (73–78%)

69% (66–72%)

70% (67–72%)

0.8800

68% (64–71%)

83% (80–86%)

 < 0.0001

 Attitude of refusing sex when not ready

62% (60–64%)

78% (76–80%)

63% (60–66%)

73% (70–76%)

 < 0.0001

61% (58–65%)

85% (83–88%)

 < 0.0001