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Table 3 Association between stress-driven eating behaviour and early-life factors

From: Stress-related eating, obesity and associated behavioural traits in adolescents: a prospective population-based cohort study

Early-life factor   Girls Boys
   Non-stress-driven eaters n (%) Stress-driven eaters n (%) p2-test) Non-stress-driven eaters n (%) Stress-driven eaters n (%) p2-test)
Maternal smoking at the end of the 2nd month of pregnancy No 1602 (81.2) 1226 (81.2)   2176 (80.7) 412 (84.4)  
  1-9 cigarettes a day 173 (8.8) 139 (9.2)   255 (9.5) 36 (7.4)  
  >9 cigarettes a day 197 (10.0) 144 (9.5) 0.836 267 (9.9) 40 (8.2) 0.142
Maternal alcohol use during pregnancy No 1738 (87.4) 1299 (85.9)   2346 (87.0) 432 (88.3)  
  Yes 251 (12.6) 214 (14.1) 0.192 352 (13.0) 57 (11.7) 0.420
Maternal weight gain during the first 20 weeks of pregnancy Lowest quartile 551 (29.7) 391 (27.9)   653 (25.9) 113 (24.8)  
  Second quartile 556 (30.0) 455 (32.5)   726 (28.8) 148 (32.5)  
  Third quartile 442 (23.8) 330 (23.6)   628 (24.9) 116 (25.4)  
  Highest quartile 306 (16.5) 224 (16.0) 0.449 511 (20.3) 79 (17.3) 0.298
Birth weight Low <2500 g 81 (4.0) 43 (2.8)   76 (2.8) 14 (2.8)  
  Normal 2500–3999 g 1613 (79.6) 1238 (80.5)   2054 (74.5) 345 (69.6)  
  High ≥4000 g 332 (16.4) 257 (16.7) 0.152 627 (22.7) 137 (27.6) 0.059
Gestational age at birth <37 weeks (preterm) 91 (4.5) 61 (4.0)   134 (4.9) 21 (4.2)  
  ≥37 weeks 1935 (95.5) 1477 (96.0) 0.453 2621 (95.1) 475 (95.8) 0.647
Birth weight for gestational age Small 185 (9.1) 127 (8.3)   237 (8.6) 44 (8.9)  
  Appropriate 1640 (80.9) 1250 (81.3)   2262 (82.0) 396 (79.8)  
  Large 201 (9.9) 161 (10.5) 0.597 258 (9.4) 56 (11.3) 0.384