Table 2 Cryptorchidism in sons of mothers working in horticulture during pregnancy compared to an external control groupa
From: The risk of cryptorchidism among sons of women working in horticulture in Denmark: a cohort study
Maternal characteristic | Study population, n | Cryptorchidism | Orchiopexy | ||||||
|---|---|---|---|---|---|---|---|---|---|
n | % | Crude HR | Adjusted HRb (95%CI) | n | % | Crude HR | Adjusted HRb (95%CI) | ||
Background pop. | 783,817 | 16,900 | 2.2 | 1 (ref.) | 1 (ref.) | 11,836 | 1.5 | 1 (ref.) | 1 (ref.) |
Exposed cohort | 502 | 15 | 3.0 | 1.45 | 1.39 (0.84;2.31) | 10 | 2.0 | 1.33 | 1.34 (0.72;2.49) |
Background pop. | 783,817 | 16,900 | 2.2 | 1 (ref.) | 1 (ref.) | 11,836 | 1.5 | 1 (ref.) | 1 (ref.) |
Medium exposure | 308 | 10 | 3.3 | 1.62 | 1.50 (0.81;2.79) | 5 | 1.6 | 1.11 | 1.10 (0.46;2.64) |
High exposure | 95 | 2 | 2.1 | 0.93 | 0.97 (0.24;3.88) | 1 | 1.1 | 0.65 | 0.67 (0.09;4.78) |