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Table 1 Characteristics of Families with Inhibited Preschool Children at Recruitment and Mid Childhood

From: Exploring the stress sensitization theory with temperamentally inhibited children: a population-based study

Characteristic Recruitment (N = 545) Retained in mid childhood (n = 455) p
Child
 Inhibition severity, M (SD) 34.2 (2.8) 34.1 (2.7) 0.640
 Female, % (n) 48.3 (263) 47.9 (218) 0.914
 Age (years), M (SD) 4.7 (0.4) 4.7 (0.4) 0.924
 First born, % (n) 51.4 (280) 51.4 (234) 0.869
Parents
  Age (years), M (SD)
  Mother 37.5 (4.4) 37.9 (4.4) 0.586
  Father 39.5 (4.9) 39.6 (4.9) 0.887
 Relationship status, % (n) 0.987
  Married/cohabiting 92.1 (502) 91.9 (418)  
  Separated/divorced 6.2 (34) 6.4 (29)  
  Single/widowed 1.7 (9) 1.8 (8)  
 Born in Australia/New Zealand, % (n)
  Mother 73.0 (395) 74.1 (335) 0.764
  Father 72.1 (365) 74.2 (313) 0.456
 Highest level of education, % (n)
 Mother 0.795
  Did not complete high school 11.4 (61) 11.6 (52)  
  Completed high school 23.5 (126) 21.7 (97)  
  Completed tertiary degree 65.2 (350) 66.7 (299)  
 Father 0.924
  Did not complete high school 18.2 (90) 17.4 (72)  
  Completed high school 26.7 (132) 26.2 (108)  
  Completed tertiary degree 55.2 (273) 56.4 (233)  
Family  
  English main language at home, % (n) 88.6 (483) 90.3 (411) 0.383
  Household income (AUD per annum, optional item), % (n) 0.978
   < $25,000 4.6 (21) 4.7 (18)  
  $25,000-51,900 12.9 (59) 11.9 (46)  
  $52,000-88,400 22.8 (104) 22.6 (87)  
   > $88,400 59.7 (273) 60.8 (234)  
Parent with welfare card, % (n) 18.7 (100) 16.6 (69) 0.447
Neighborhood disadvantage, M (SD) 1046.6 (42.6) 1046.8 (41.9) 0.942
All percentages are valid percent.