Characteristics of all participants randomised
| Intervention video | Control video | |
| All participants randomised | 4178 | 4175 |
| Country | ||
| Low-income countries | 464 (11.1%) | 457 (11.0%) |
| Lower-middle-income countries | 934 (22.4%) | 844 (20.2%) |
| Upper-middle-income countries | 507 (12.1%) | 543 (13.0%) |
| High-income countries | 2273 (54.4%) | 2331 (55.8%) |
| Source of contact | ||
| WOMAN trial contact list | 1308 (31.3%) | 1263 (30.3%) |
| Journals | 2870 (68.7%) | 2912 (69.8%) |