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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
  1. Note. SEP = Socioeconomic position. EPQ = Eysenck Personality Questionnaire. BMI = Body Mass Index
  2. at-tests or chi-square tests