Table 2 Baseline characteristics of the study population. Values are numbers (%)
From: Mobile phones improve antenatal care attendance in Zanzibar: a cluster randomized controlled trial
Variable | Intervention | Control |
|---|---|---|
Health facilities | Â | Â |
No | 12 | 12 |
Participants | Â | Â |
No of women | 1311 | 1239 |
Age | Â | Â |
<19 | 107/1258 (9%) | 118/1197 (10%) |
20–24 | 310/1258 (25%) | 307/1197 (26%) |
25–29 | 371/1258 (29%) | 309/1197 (26%) |
30–34 | 248/1258 (20%) | 259/1197 (22%) |
35+ | 222/1258 (18%) | 204/1197 (17%) |
Literacy | Â | Â |
Can read very well | 3601298 (28%) | 384/1221 (31%) |
Can read well | 447/1298 (34%) | 363/1221 (30%) |
Can read some | 178/1298 (14%) | 174/1221 (14%) |
Can read little | 86/1298 (7%) | 88/1221 (7%) |
Cannot read | 227/1298 (18%) | 212/1221 (17%) |
Education | Â | Â |
No | 204/1278 (16%) | 220/1200 (18%) |
Primary | 464/1278 (36%) | 440/1200 (37%) |
Secondary and above | 569/1278 (45%) | 503/1200 (42%) |
Other | 41/1278 (3%) | 37/1200 (3%) |
Mobile phone status | Â | Â |
Owns | 494/1307 (38%) | 439/1235 (36%) |
Does not own | 813/1307 (62%) | 796/1235 (65%) |
Residence status | Â | Â |
Rural | 743/1311 (57%) | 730/1239 (59%) |
Urban | 568/1311 (43%) | 509/1239 (41%) |
Parity | Â | Â |
Nullipara | 264/1290 (21%) | 233/1201 (19%) |
1–2 | 428/1290 (33%) | 356/1201 (30%) |
3–4 | 292/1290 (23%) | 297/1201 (25%) |
5+ | 306/1290 (24%) | 315/1201 (26%) |
Gestational age at first antenatal care visit | Â | Â |
<16 | 256/1310 (20%) | 329/1233 (27%) |
17–26 | 930/1310 (71%) | 814/1233 (66%) |
27–35 | 121/1310 (9%) | 87/1233 (7%) |
36+ | 3/1310 (0%) | 3/1233 (0%) |
Complication last pregnancy according to mother | Â | Â |
Yes | 89/1271 (7%) | 122/1271 (11%) |
No | 918/1271 (72%) | 811/1271 (70%) |
Nullipara | 264/1271 (21%) | 233/1271 (20%) |