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Table 3 Crude and adjusted odds ratios (ORs) for increased knowledge of mothers and related practices for maternal healthcare by exposure to Aponjon service and its use pattern

From: Does mHealth voice messaging work for improving knowledge and practice of maternal and newborn healthcare?

Aponjon exposure and use pattern n = 612 Knowledge of maternal healthcare Practice of maternal health care
% scored ≥50th percentile Crude OR^ (95% CI) Adjusted ORa (95% CI) % scored ≥50th percentile Crude OR^ (95% CI) Adjusted ORa (95% CI)
Exposure to Aponjon
 No exposure (non-user) 369 45.3 1.00 1.00 45.0 1.00 1.00
 3–5 months exposure 159 49.7 1.19 (0.82–1.73) 1.20 (0.80–1.81) 48.4 1.15 (0.79–1.67) 1.18 (0.81–1.72)
 6–9 months exposure 84 71.4 3.02 (1.80–5.07) 2.83 (1.57–5.09) 75.0 3.67 (2.15–6.26) 3.38 (1.77–6.48)
Use pattern of Aponjon
 No exposure (non-user) 369 45.3 1.00 1.00 45.0 1.00 1.00
 Did not receive or listen to ≥3 messages per month (poor pattern) 169 53.9 1.14 (0.98–2.03) 1.45 (0.92–2.29) 54.4 1.46 (1.01–2.10) 1.54 (1.03–2.29)
 Received and listened to ≥3 messages per month (good pattern) 74 64.9 2.23 (1.33–3.75) 2.00 (1.17–3.37) 64.9 2.26 (1.34–3.80) 1.96 (1.09–3.51)
Exposure to Aponjon and use pattern
 No exposure (non-users) 369 45.3 1.00 1.00 45.0 1.00 1.00
 Subscribed for 3–5 months and had a poor pattern of use 112 45.5 1.01 (0.66–1.55) 1.07 (0.65–1.76) 43.8 0.95 (0.62–1.46) 1.03 (0.67–1.59)
 Subscribed for 3–5 months and had a good pattern of use 47 59.6 1.78 (0.96–3.31) 1.62 (0.87–3.01) 59.6 1.80 (0.97–3.34) 1.67 (0.81–3.43)
 Subscribed for 6–9 months and had a poor pattern of use 57 70.2 2.85 (1.56–5.20) 2.77 (1.41–5.44) 75.4 3.76 (1.99–7.10) 3.79 (1.88–7.66)
 Subscribed for 6–9 months and had a good pattern of use 27 74.1 3.46 (1.43–8.37) 2.97 (1.09–8.09) 74.1 3.49 (1.44–8.46) 2.66 (0.92–7.62)
  1. aAdjusted for area, ownership of mobile phone, exposure to mass media, cluster; ^based on propensity score matched sample