Table 3 Wajir baseline means of key variables for analytical sample at two-year follow-up, by study arm

 Age, mean (sd)

11.9 (1.3)

12.0 (1.3)

11.8 (1.2)

11.8 (1.3)

0.128

 Cognitive score (0–16), mean (sd) [n = 1874]

5.3 (2.9)

5.0 (3.0)

5.0 (3.2)

5.4 (3.0)

0.577

 Lives with both parents, % [n = 1892]

73.6

73.9

76.2

73.7

0.846

 Mother ever attended school, % [n = 1892]

1.4

1.5

0.6

0.4†

0.193

 Father ever attended school, % [n = 1888]

5.7

2.8†

3.3

3.2

0.314

 Experienced violence by a male in the past year, % [n = 1883]

4.1

3.9

3.1

2.2

0.444

 Positive gender attitudes score (0–4), mean (sd) [1883]

3.0 (1.0)

2.8 (1.1)

2.9 (1.1)

2.9 (1.1)

0.509

 Grade attainment, mean (sd)

3.1 (2.1)

2.8 (2.3)

2.8 (2.2)

2.6 (2.1)

0.467

 Primary school complete, %

1.3

0.6

0.8

0.8

0.890

 Enrolled in school, %

83.4

72.8*

79.6

74.1†

0.141

 Literate in Swahili and English, % [n = 1874]

41.6

34.8

40.3

34.5

0.417

 Knows most fertile period during menstrual cycle,% [n = 1883]

1.6

0.4†

0.8

0.8

0.298

 General self-efficacy score (0–6), mean (sd) [n = 1883]

2.3 (2.0)

2.3 (1.9)

2.2 (1.9)

1.7 (2.0)**

0.007

 Financial literacy score (0–10), mean (sd) [n = 1883]

4.5 (2.0)

4.2 (2.1)

4.1 (2.0)

4.1 (2.0)

0.571

 Saved money in the past 6 months, % [n = 1883]

0.7

0.4

0.4

0.8

0.837

 Household expects girl to complete secondary, % [n = 2008]

86.8

80.8

81.7

81.7

0.347

 Household wealth quintile (1–5), mean (sd) [n = 2011]

3.0 (1.4)

2.7 (1.5)

2.9 (1.5)

2.9 (1.4)

0.791

Sample by arm when n = 1909

447

471

490

501

1909