Table 1 Descriptive statistics of parental SEP, allostatic load, potential mediators and covariates including tests of differences according to parental SEP group
From: Parental socioeconomic position and midlife allostatic load: a study of potential mediators
|  | Low parental SEP (1–5) | High parental SEP (6–8) | Full sample | |||
|---|---|---|---|---|---|---|
n | Mean (SD) | n | Mean (SD) | n | p a | |
Allostatic load (midlife) | 208 | 4.05 (2.73) | 123 | 2.72 (2.33) | 361 | < .001 |
Parental SEP (infancy) | 208 | 3.56 (1.04) | 123 | 6.85 (0.77) | 331 | < .001 |
Potential mediators (young adulthood) | ||||||
 EPQ neuroticism [0–23] | 185 | 7.58 (5.28) | 116 | 6.91 (4.61) | 326 | .26 |
 EPQ extraversion [0–21] | 185 | 14.7 (4.30) | 116 | 15.1 (4.07) | 327 | .38 |
 EPQ psychoticism [0–25] | 184 | 4.07 (2.41) | 116 | 4.20 (2.19) | 326 | .65 |
 EPQ lie scale [0–21] | 186 | 7.30 (3.24) | 115 | 6.70 (3.42) | 327 | .13 |
 Social relations satisfaction | 182 | 0.75 (0.80) | 114 | 0.80 (0.84) | 322 | .64 |
 Social relations dissatisfaction | 182 | 0.10 (0.32) | 114 | 0.13 (0.36) | 322 | .50 |
 Intelligence | 184 | 101.5 (13.7) | 115 | 110.5 (13.5) | 325 | < .001 |
 Years of education | 184 | 10.6 (1.48) | 115 | 11.9 (1.48) | 325 | < .001 |
Covariates | ||||||
 Female sex (%) | 113 | 54.3 | 67 | 54.5 | 361 | .98 |
 Young adulthood age | 184 | 26.9 (4.23) | 115 | 26.6 (4.40) | 325 | .54 |
 Time of blood draw | 207 | 11.2 (2.30) | 123 | 11 (2.37) | 360 | .29 |
 Fasting (%) | 139 | 66.8 | 86 | 69.9 | 359 | .49 |
 Maternal smoking (%) | 87 | 41.8 | 41 | 33.3 | 354 | .14 |
 Complications at birth (%) | 16 | 7.69 | 10 | 8.13 | 360 | .90 |
 Maternal BMI | 189 | 22.2 (3.36) | 117 | 21.3 (2.26) | 334 | .014 |
 Adult SEP | 204 | 3.24 (1.45) | 118 | 2.49 (1.39) | 352 | < .001 |