Key child observation characteristics by intervention in Matlab
| Study arm | p Value | |||
| Education only | Playpen | Door barrier | ||
| No of eligible households | 343 | 326 | 373 | – |
| No of participating households (response rate) | 192 (56%) | 147 (45%) | 133 (36%) | – |
| No of visits | 1093 | 802 | 799 | – |
| Average child age in months—first visits only (SD) | 29.5 (13.33) | 25.9 (12.98) | 25.48 (12.92) | <0.05 |
| Average number of visits per HH (SD) | 4.03 (2.47) | 3.52 (1.96) | 3.8 (2.06) | – |
| No of observations where intervention tool is in use* (%) | N/A | 454 (56.6) | 149 (18.7) | <0.01 |
| No of observations with child directly supervised by adult (%) | 1032 (94.4) | 285 (35.5) | 628 (78.6) | <0.01 |
| No of observations where no form of protection is being used (%) | 61 (5.6) | 10 (1.3) | 16 (2.0) | <0.01 |
| No of positive feedback comments (%)† | 1045 (96.9) | 726 (90.9) | 427 (54.3) | <0.01 |
| No of negative feedback comments (%)† | 25 (2.3) | 30 (3.8) | 53 (6.7) | <0.01 |
| No of mechanical or other problems reported (%)† | 8 (0.7) | 43 (5.4) | 307 (39.0) | <0.01 |
↵* Door barrier and playpen groups only.
↵† Percentages for positive feedback, negative feedback and mechanical problems are calculated as a proportion of total feedback comments for each respective study arm. Percentages for all other rows are calculated as a proportion of the number of observation visits for each respective study arm.