Table 9.
Adjusted odds ratios for outcome ‘net was used the previous night’ in 12 surveys across seven countries in sub-Saharan Africa
| Survey (obs) | Burkina 2014 (14,086) | Gambia 2013 (13,486) | Malawi 2010 (30,035 | Malawi 2012 (3314) | Malawi 2014 (4750) | Mali 2015 (13,942) | Nigeria 2015 (12,601) | Rwanda 2010 (20,786) | Rwanda 2013 (7923) | Rwanda 2014 (20,313) | Senegal 2008 (21,951) | Senegal 2010 (22,193) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Household-level fixed effects | ||||||||||||
| Household net supply (ref: owns 1 net for 2 people) | ||||||||||||
| Not enough (<1 net for 2 people) | 1.16 | 1.71*** | 1.37*** | 2.37*** | 2.23*** | 2.63*** | 1.08 | 1.98*** | 2.11*** | 1.98*** | 0.92 | 1.51*** |
| Too many (>1 net for 2 people) | 0.35*** | 0.22*** | 0.40*** | 0.14*** | 0.25*** | 0.22*** | 0.29*** | 0.44*** | 0.32*** | 0.31*** | 0.56 | 0.23*** |
| Household is urban (vs rural) | 0.89 | 8.76*** | 1.57*** | 2.19** | 1.92* | 0.77 | 0.88 | 1.20* | 1.13 | 1.37** | 27.72*** | 5.41*** |
| Age of household head (ref: <5) | ||||||||||||
| 35–49 | 2.32*** | 1.07 | 0.99 | 0.94 | 1.12 | 1.46 | 0.99 | 1.04 | 1.05 | 0.88* | 0.86 | 0.79 |
| 50+ | 1.89** | 1.12 | 0.95 | 1.15 | 0.88 | 1.30 | 1.18 | 1.31*** | 1.24* | 1.15* | 0.89 | 0.93 |
| Household head is female | 0.71 | 0.78 | 0.88* | 1.12 | 0.91 | 2.95* | 0.59*** | 1.08 | 1.07 | 1.13* | 0.97 | 0.82 |
| Wealth quintiles (ref: poorest) | ||||||||||||
| Poorer | 0.50* | 0.63* | 1.12 | 0.77 | 1.36 | 0.95 | 0.86 | 1.25*** | 1.06 | 1.01 | 1.18 | 1.09 |
| Middle | 0.42** | 0.51** | 1.42*** | 1.21 | 1.96** | 0.99 | 0.41*** | 1.43*** | 1.04 | 1.19* | 1.00 | 0.94 |
| Richer | 0.45** | 0.38** | 1.46*** | 1.04 | 1.46 | 0.87 | 0.18*** | 1.62*** | 1.23 | 1.31*** | 2.31*** | 0.57* |
| Richest | 0.24*** | 0.33** | 1.70*** | 0.97 | 1.37 | 0.81 | 0.09*** | 1.81*** | 1.41** | 1.38*** | 1.62 | 0.41** |
| Net-level fixed effects | ||||||||||||
| Net is conical (vs rectangular) | 1.33 | 1.04 | 1.53*** | 1.95* | 1.35 | 1.55 | 1.42 | 0.91* | 2.26*** | 1.44*** | 0.95 | 1.04 |
| Net age (ref: <1 year) | ||||||||||||
| 1–2 years | 1.19 | 0.56 | 1.23*** | 1.91** | 1.77*** | 1.23 | 0.97 | 1.34*** | 1.50*** | 1.08 | 1.27* | 1.15 |
| 2–3 years | 0.61 | 1.05 | 1.14 | 1.46 | 1.53 | 1.39 | 1.02 | 1.38* | 1.26 | 1.01 | 1.00 | 0.84 |
| 3+ years | 0.90 | 0.97 | 1.06 | 0.69* | 1.09 | 0.93 | 1.21** | 1.57*** | 0.93 | 1.12 | 0.71* | |
| Is an ITN (vs untreated) | 2.61* | 1.21 | 1.78*** | 2.74*** | 3.38*** | 1.38 | 1.14 | 1.36* | 1.53 | 0.64 | 1.31* | 1.04 |
| Green (vs other colour) | 1.05 | 1.11 | 0.47** | |||||||||
| Net matches stated preferences (ref: does not match) | ||||||||||||
| Both shape and colour | 1.00 | 1.78* | ||||||||||
| Only shape | 1.08 | 1.20 | ||||||||||
| Only colour | 1.06 | 1.09 | ||||||||||
| Net was purchased | 1.11 | 1.63*** | 1.69*** | |||||||||
| Average marginal effects (percentage points by which proportion of nets used the previous night increase if all nets are conical, or all nets match shape/colour preferences | ||||||||||||
| Net is conical | 0.6 | 0.3 | 5.9*** | 4.5* | 2.8 | 0.7 | 4.0 | −1.7* | 13.1*** | 5.3*** | −0.4 | 0.3 |
| Net matches both preferences (vs neither) | 0.0 | 5.2* | ||||||||||
| Matches only shape (vs neither) | 1.0 | 1.8 | ||||||||||
| Matches only colour (vs neither) | 0.8 | 0.9 | ||||||||||
* p < 0.05; ** p < 0.01; *** p < 0.001