Table 3 Characteristics of primary and secondary outcomes
From: Mobile phones improve antenatal care attendance in Zanzibar: a cluster randomized controlled trial
| Â | Intervention | Control |
|---|---|---|
Primary outcome | Â | Â |
No of antenatal care visits | Â | Â |
1 | 92/1311 (7%) | 222/1239 (18%) |
2 | 222/1311 (17%) | 258/1239 (21%) |
3 | 423/1311 (32%) | 374/1239 (30%) |
4 | 380/1311 (29%) | 234/1239 (19%) |
>5 | 194/1311 (15%) | 151/1239 (12%) |
Secondary outcomes | Â | Â |
Tetanus vaccination of nullipara* | Â | Â |
TT11 | 223/232 (96%) | 195/208 (94%) |
TT22 | 155/232 (72%) | 112/201 (56%) |
Intermittent Preventive Treatment in pregnancy | Â | Â |
IPTp1 | 1191/1311 (91%) | 1060/1239 (86%) |
IPTp2 | 846/1311 (65%) | 640/1239 (52%) |
Gestational age at last antenatal care visit | Â | Â |
<16 | 17/1307 (1%) | 44/1230 (4%) |
17–26 | 140/1307 (11%) | 254/1230 (21%) |
27–35 | 784/1307 (60%) | 684/1230 (56%) |
36+ | 366/1307 (28%) | 248/1230 (20%) |
Antepartum referral | 127/1311 (10%) | 57/1239 (5%) |