Table 4 Timing in gestational age of primary and secondary outcomes
From: Mobile phones improve antenatal care attendance in Zanzibar: a cluster randomized controlled trial
| Â | Intervention mean (+- SD) | Control mean (+- SD) | Unadjusted difference* (95% CI) | Adjusted difference** (95% CI) |
|---|---|---|---|---|
Primary outcome | Â | Â | Â | Â |
Weeks of gestation at antenatal care visit no | Â | Â | Â | Â |
1 | 20.71 (4.69) | 20.10 (4.80) | 0.68 (-0.39–1.74) | 0.64 (-0.44–1.73) |
2 | 26.13 (4·04) | 25.92 (4.29) | 0.20 (-0.45–0.86) | 0.13 (-0.51–0.77) |
3 | 30.27 (3·50) | 30.41 (3.88) | -0.32 (-1.31–0.67) | -0.37 (-1.34–0.61) |
4 | 33.39 (3·05) | 32.79 (3.14) | 0.21 (-0.83–1.25) | 0.29 (-0.72–1.30) |
5 | 35.45 (2·45) | 34.77 (2.37) | 0.53 (-0.46–1.51) | 0.45 (-0.57–1.47) |
Secondary outcomes | Â | Â | Â | Â |
Weeks of gestation at tetatnus vaccination of nullipara*** | Â | Â | Â | Â |
TT1 | 20.28 (5.08) | 19.46 (5.15) | 0.90 (-0 · 39–2.18) | -0.05 (-0.94–0.85) |
TT2 | 25.53 (4.05) | 25.42 (4.78) | 0.07 (-1.10–1.24) | -0.84 (-1.93–0.26) |
Weeks of gestation at Intermittent Preventive Treatment in pregnancy | Â | Â | Â | Â |
IPTp1 | 23.75 (3.48) | 22.93 (3.84) | 0.80 (0.06-1.54) | 0.83 (0.06–1.59) |
IPTp2 | 29.33 (3.25) | 28.90 (3.48) | 0.59 (-0.49–1.66) | 0.59 (-0.48–1.65) |
Weeks of gestation at last antenatal care visit | 31.81 (4.90) | 30.15 (5.86) | 1.41 (-0.21–3.02) | 1.38 (-0.23–2.99) |
Weeks of gestation at antepartum referral | 29.47 (6.38) | 26.67 (8.06) | 2.90 (-0.58–6.38) | 2.67 (-0.54–5.89) |