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| Baseline Characteristics | n (%) | |
| Socioeconomic status | Lower | 35 (17.9) |
| Middle | 110 (56.5) | |
| Upper | 50 (25.6) | |
| Occupation | Un-employed | 35 (17.9) |
| Stay-home mother | 57 (29.2) | |
| Retired | 37 (19) | |
| Businessman | 44 (22.6) | |
| Employed | 22 (11.3) | |
