Table 2.
Study overview by publication date, study design, gender related reporting, and health outcome stratified by country type.
| Descriptors | Country Type, n (%) |
|||||
|---|---|---|---|---|---|---|
| Middle Income | High Income | Total | ||||
| Study Publication Date (by Decade) | ||||||
| 1970–1979 | 0 | (0.0%) | 1 | (2%) | 1 | (2%) |
| 1980–1989 | 1 | (7%) | 5 | (10%) | 6 | (9%) |
| 1990–1999 | 1 | (7%) | 17 | (34%) | 18 | (28%) |
| 2000–2009 | 4 | (27%) | 18 | (36%) | 22 | (34%) |
| 2010–2019 | 9 | (60%) | 9 | (18%) | 18 | (28%) |
| Study Design | ||||||
| Cross-Sectional | 15 | (100%) | 41 | (82%) | 56 | (86%) |
| Prospective Cohort | 0 | (0%) | 3 | (6%) | 3 | (5%) |
| Retrospective Cohort | 0 | (0%) | 5 | (10%) | 5 | (8%) |
| Quasi Experimental | 0 | (0%) | 1 | (2%) | 1 | (2%) |
| Gender Related Reporting | ||||||
| Aggregated | 3 | (20%) | 19 | (38%) | 22 | (34%) |
| Disaggregated | 4 | (27%) | 5 | (10%) | 9 | (14%) |
| Female Only | 1 | (7%) | 1 | (2%) | 2 | (3%) |
| Male Only | 5 | (33%) | 17 | (34%) | 22 | (34%) |
| Not Specified | 2 | (13%) | 8 | (16%) | 10 | (15%) |
| Primary/Secondary Outcome | ||||||
| Mortality | 0 | (0%) | 5 | (10%) | 5 | (8%) |
| Gastroenteritis | 7 | (47%) | 20 | (40%) | 27 | (42%) |
| Injuries | 0 | (0%) | 0 | (0%) | 0 | (0%) |
| Respiratory Conditions | 5 | (33%) | 10 | (20%) | 15 | (23%) |
| Musculoskeletal Disorders | 1 | (7%) | 3 | (6%) | 4 | (6%) |
| Mental & Social Health Conditions | 1 | (7%) | 1 | (2%) | 2 | (3%) |
| Two or More Outcomesa | 1 | (7%) | 11 | (22%) | 12 | (18%) |
a, b Friis et al., 1999 reported on mortality and respiratory health and is therefore reported twice; ‘a’ denotes reporting of mortality results and ‘b’ denotes reporting of respiratory results. denotes reporting of respiratory results.
a
There were 12 articles that reported on at least gastroenteritis and respiratory conditions. Four studies reported only on those two outcomes. One study also reported on injuries; four also reported on musculoskeletal disorders, two also reported on mental and social health outcomes. One study also reported on injuries and musculoskeletal disorders.