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Table 1 Participants’ sociodemographic and sibling-related characteristics

From: Comparison of relationships among French adult siblings with or without schizophrenia using the ASRQ-S: mediating effect on emotional distress

VariablesModality (for categorical variables)Total sample (N = 374)General population group (n = 187)Clinical siblings (n = 187)t or chi2 values for unmatched variables
Sex (%)Female288 (77.00)144 (77.00)144 (77.00) 
Mean age in years (SD) 35.96 (10.75)35.93 (10.76)36 (10.77)− 0.07
Professional activity (%)None90 (24.06)55 (29.41)35 (18.72)5.28*
Sex of target brother or sister (%)Female74 (19.79)37 (19.79)37 (19.79) 
Mean age difference between the two siblings (SD) −0.26 (5.24)− 0.67 (4.29)0.14 (6.02)−1.49
Participant’s birth order (%)Youngest94 (25.13)39 (20.86)55 (29.41)2.37
Intermediate131 (35.03)67 (35.83)64 (34.22)0.05
Oldest149 (39.84)81 (43.32)68 (36.36)1.12
Target brother or sister’s birth order (%)Youngest77 (20.59)21 (11.23)56 (29.9)18.91***
Intermediate168 (44.92)101 (54.01)67 (35.83)11.77***
Oldest129 (34.49)65 (34.76)64 (34.22)0
Living with sibling (%)Same19 (4.95)7 (3.74)12 (6.42)0.89
  1. Note: *** p ≤ 0.001, ** p ≤ 0.01, * p ≤ 0.05