Table 1.
Demographic and clinical characteristics of spontaneous abortion group and comparison group
| Spontaneous abortion group (N = 137) | Comparison group (N = 137) | Significance | |
|---|---|---|---|
| Age in years mean (SD) | 30.39 (6.38) | 28.79 (6.25) | t = 2.09 p = 0.037 |
| Race | Chi 0.71; df = 2; p = 0.70 | ||
| Sinhala | 127 (93.4) | 125 (91.2) | |
| Tamil | 5 (3.7) | 8 (5.8) | |
| Muslim | 4 (2.9) | 4 (2.9) | |
| Religion | χ 2 = 1.19; df = 3; p = 0.76 | ||
| Buddhist | 122 (89.1) | 116 (84.7) | |
| Christian | 7 (5.1) | 10 (7.3) | |
| Hindu | 4 (2.9) | 6 (4.4) | |
| Islam | 4 (2.9) | 5 (3.6) | |
| Education | |||
| 10 years or less | 83 (60.6) | 100 (73.0) | χ 2 = 4.76; df = 1; p = 0.03 |
| More than 10 years | 54 (39.4) | 37 (27.0) | |
| Employment | χ 2 = 0.50; df = 1; p = 0.48 | ||
| Employed | 32 (23.4) | 27 (19.9) | |
| Unemployed or housewife | 105 (76.6) | 109 (80.1) | |
| Income | χ 2 = 2.84; df = 3; P = 0.42 | ||
| Less than Rs. 10000 | 31 (22.6) | 27 (19.7) | |
| Rs. 10000–15000 | 24 (17.5) | 19 (13.9) | |
| Rs. 15000–20000 | 41 (29.9) | 54 (39.4) | |
| >Rs. 20000 | 41 (29.9) | 37 (27.0) | |
| Living children | χ 2 = 2.48; df = 1; P =0.12 | ||
| Yes | 80 (58.4) | 67 (48.9) | |
| No | 57 (41.6) | 70 (51.1) | |
| Period of amenorrhoea | χ 2 = 63.8; df =2; P <0.001 | ||
| ≤12 weeks | 93 (70.5) | 33 (24.6) | |
| 13–18 weeks | 32 (24.2) | 54 (40.3) | |
| 19–28 weeks | 7 (5.3) | 47 (35.1) | |
| Unknown | 5 (3.6) | 3 (2.2) |