Table 4 Odds ratio for CMV seropositivity by risk factor among childcare and healthcare workers
Covariates | Number of studies | Exposed population | Nonexposed | OR (95% CI) | I2 % (95% CI) |
|---|---|---|---|---|---|
 Children at home (yes vs no) | 6 | 1000 | 947 | 2.0 (1.7–2.5) | 6 (0–76) |
 Childcare workers | 4 | 681 | 647 | 1.9 (1.3–2.7) | 37 (0–78) |
Healthcare workers | 2 | 319 | 300 | 2.2 (1.6–3.8) | 0 |
Race (others versus white) | 3 | 283 | 1154 | 2.3 (1.7–3.1) | 0 (0–89) |
Marital status (married versus single) | 4 | 1237 | 683 | 1.7 (1.4–2.1) | 0 (0–70) |
Age (30 years vs < 30 years) | 7 | 1247 | 922 | 1.4 (0.8–2.6) | 92 (86–95) |
 Childcare workers | 5 | 1023 | 638 | 1.1 (0.5–2.3) | 92 (85–96) |
 Healthcare workers | 2 | 225 | 284 | 2.6 (1.8–3.8) | 0 |