| Sample mean (S.D.) n = 913 | No symptoms (S.D.) n = 44 | Low (S.D.) n = 175 | Moderate-Low (S.D.) n = 274 | Moderate (S.D.) n = 290 | Low-rising (S.D.) n = 35 | High-Chronic (S.D.) n = 95 | F(df) | p |
---|---|---|---|---|---|---|---|---|---|
Maternal Age t1 | 30.05 (4.73) | 30.85 (4.42) | 30.92a (4.75) | 29.92 (4.82) | 29.84 (4.44) | 30.74 (5.02) | 28.76 a (5.00) | 3.343 (5) | .005 |
Education at t1 | 3.08 (1.23) | 3.38 (1.11) | 3.20 (1.22) | 3.19 (1.20) | 2.98 (1.20) | 3.41 (1.26) | 2.54b (1.31) | 5.948 (5) | .000 |