Els van Meijel

104 Chapter 6 | Posttraumatic stress in young children Results Sample characteristics A total of 270 children and their parents were eligible to participate in the study. Of these families, 140 could not be contacted (telephone number was out of service or the telephone was not answered), 24 parents refused to participate and the interview with 8 parents could not be scheduled during the study period. We included 98 parents (75 mothers and 23 fathers) of 98 children. Demographic characteristics of the children and accident related information are shown in Table 6.2. There were no significant differences between participants and non-participants in terms of gender (χ 2 = 0.87, p = .35), age (U = 951.5, Z = -1.46, p = .14) and duration of admission (U = 678.0, Z = -0.54, p = .59). Table 6.2 Demographic Child Characteristics and Accident Related Information (n = 98) N (%) Median Mean (SD) Min-Max Gender Male 67 (68.4) -- -- -- Female 31 (31.6) -- -- -- Child age during accident -- 3 3.1 (2.2) 0-7 Child age during interview -- 6 6.2 (2.7) 1-13 Time between accident and interview (in months) -- 35 36.3 (20.6) 4-69 Trauma type Road traffic accident 28 (29.6) -- -- -- Fall 49 (50.0) -- -- -- Other, including burns and near drowning 21 (21.4) -- -- -- Total days in hospital including (P)ICU a 81 (81.0) 1 4.7 (9.5) 1-57 Total days on (P)ICU a 27 (27.0) 1 3.6 (4.3) 1-14 Note. -- = not applicable. a (P)ICU: (Pediatric) Intensive Care Unit.