Table 1.
Sample Study Characteristics (N = 61 Studies)
| Characteristic | Value |
|---|---|
| Published in peer‐reviewed journal, n (%) | 40 (65) |
| Sample size, median (IQR) | 1,866 (3,375) |
| Intervention duration in months, median (IQR) | 48 (24) |
| Follow‐up duration in months, median (IQR) | 54 (84) |
| Multiple follow‐ups, n (%) | 17 (28) |
| Subgroups analyzed, n (%) | |
| By gender | 6 (10) |
| By age | 7 (12) |
| Othera | 6 (10) |
| Two‐arm RCT, n (%) | 55 (90) |
| Three‐arm RCT, n (%) | 6 (10) |
| >1 health outcome reported, n (%) | 45 (74) |
| No. of health outcomes reported, mean (SD) | 6 (9) |
| Intervention domain | |
| Early life and education | 19 (31) |
| Income supplementation and maintenance | 9 (15) |
| Employment | 14 (23) |
| Housing and neighbourhood | 10 (16) |
| Health insurance | 9 (15) |
Abbreviations: IQR, interquartile range; RCT, randomized controlled trial; SD, standard deviation.
a
“Other” category includes subgroup analyses by ethnicity, mother's age, and marital status, and at‐risk populations (eg, people with criminal records or substance abuse histories).