From: Employment in the Ecuadorian cut-flower industry and the risk of spontaneous abortion
Study Characteristics | Reported History of SAB | Worked in the flower industry | ||
---|---|---|---|---|
 | No (n = 123) | Yes (n = 30) | No (n = 67) | Yes (n = 86) |
Mother's Age (mean, SD) | 29.2 (6.8) | 28.5 (6.7) | 31.6 (7.9) | 27.1 (4.9)* |
 | N (%) |  |  |  |
Mother's Age | Â | Â | Â | Â |
   ≤ 25 years | 42 (34.1) | 14 (46.7) | 20 (29.9) | 36 (41.9) |
   > 25 years | 81 (65.9) | 16 (53.3) | 47 (70.1) | 50 (58.1) |
Mother's Age | Â | Â | Â | Â |
   < 30 years | 76 (61.8) | 18 (60.0) | 32 (47.8) | 62 (72.1)* |
   ≥ 30 years | 47 (38.2) | 12 (40.0) | 35 (52.2) | 24 (27.9) |
Ethnicity of Mother | Â | Â | Â | Â |
   Indigenous | 90 (74.4) | 26 (86.7) | 56 (84.9) | 60 (70.6)* |
   Mestizo/White | 31 (25.6) missing = 2 | 4 (13.3) | 10 (15.1) missing = 2 | 25 (29.4) |
Marital Status | Â | Â | Â | Â |
   Married | 80 (65.0) | 23 (76.7) | 47 (70.2) | 56 (65.1) |
   Free Union | 30 (24.4) | 4 (13.3) | 12 (17.9) | 22 (25.6) |
   Single/Separated/Widowed | 13 (10.6) | 3 (10.0) | 8 (11.9) | 8 (9.3) |
Mother's Education Level | Â | Â | Â | Â |
   None or partial primary | 43 (35.0) | 8 (26.7) | 28 (41.8) | 23 (26.7) |
   Completed primary school | 66 (53.7) | 17 (56.7) | 31 (46.3) | 52 (60.5) |
   Partial or completed high school | 14 (11.3) | 5 (16.7) | 8 (11.9) | 11 (12.8) |
Monthly Household Income | Â | Â | Â | Â |
   $0-150 | 60 (49.2) | 9 (30.0) | 40 (60.6) | 29 (33.7)* |
   $151-250 | 36 (29.5) | 10 (33.3) | 16 (24.2) | 30 (34.9) |
   > $250 | 26 (21.3) missing = 1 | 11 (36.7) | 10 (15.2) missing = 1 | 27 (31.4) |
Reproductive History | Â | Â | Â | Â |
Total Births (mean, SD) | 3.8 (2.1) | 3.1 (2.3) | 4.4 (2.5) | 3.0 (1.6)* |
Live births (mean, SD) | 3.7 (2.1) | 3.0 (2.3)** | 4.4 (2.5) | 3.0 (1.5)* |
Gravidity (mean, SD) | 3.7 (2.1) | 4.1 (2.4) | 4.5 (2.6) | 3.3 (1.5)* |
Gravidity: | N (%) | Â | Â | Â |
   2+ pregnancies & no history of SAB | -- | -- | 59 (88.1) | 64 (74.4)* |
   2+ pregnancies & history of SAB | -- | -- | 8 (11.9) | 22 (25.6) |