Table 1 Demographics and baseline characteristics of women by study arm in Nigeria and Kenya

Age (years)

 15–19

47 (8.8%)

58 (10.7%)

0.663

57 (22.2%)

60 (23.8%)

0.154

 20–34

453 (84.7%)

442 (81.9%)

185 (72.0%)

186 (73.8%)

 35+

35 (6.5%)

40 (7.4%)

15 (5.8%)

6 (2.4%)

Religion (Nigeria)

 Islam

256 (47.9%)

398 (73.7%)

0.137

N/A

N/A

NA

 Christian, including Catholic, other

279 (52.1%)

142 (26.3%)

N/A

N/A

Religion (Kenya)

 Catholic

N/A

N/A

NA

56 (21.8%)

43 (17.1%)

0.041

 Other christian

N/A

N/A

173 (67.3%)

192 (76.2%)

 Other

N/A

N/A

28 (10.9%)

17 (6.7%)

Education

 None/primary/Qur’anic

280 (52.3%)

329 (60.9%)

0.494

110 (42.8%)

134 (53.2%)

0.131

 Secondary/post-secondary

255 (47.7%)

211 (39.1%)

147 (57.2%)

118 (46.8%)

Marriage

 Never married/single/widowed

9 (1.7%)

2 (0.4%)

0.054

44 (17.1%)

49 (19.4%)

0.256

 Married/cohabiting

526 (98.3%)

538 (99.6%)

213 (82.9%)

203 (80.6%)

Literacy

 Cannot read and write

232 (43.4%)

240 (44.4%)

0.919

5 (2.0%)

5 (2.0%)

0.750

 Can read and write

303 (56.6%)

300 (55.6%)

252 (98.0%)

247 (98.0%)

Parity

 Zero, never given birth before

166 (31.0%)

152 (28.1%)

0.694

87 (33.9%)

75 (29.8%)

0.841

 > 0, no history complications

297 (55.5%)

306 (56.7%)

131 (50.9%)

136 (54.0%)

 > 0, history complications

72 (13.5%)

82 (15.2%)

39 (15.2%)

37 (14.7%)

 Missing data

N/A

N/A

N/A

4 (1.5%)

Facility classification

 Rural

213 (39.8%)

162 (30.0%)

0.667

N/A

N/A

NA

 Urban/Peri-urban

322 (60.2%)

378 (70.0%)

257 (100.0%)

252 (100.0%)

Primary mode of transport

 Walk

206 (38.5%)

238 (44.1%)

0.513

94 (36.6%)

112 (44.4%)

0.013

 Personal

20 (3.7%)

33 (6.1%)

161 (62.6%)

131 (52.0%)

 Public

309 (57.8%)

269 (49.8%)

2 (0.8%)

9 (3.6%)