Table 1.
General characteristics of all participants
| Children with PID (n=25) | Children with JIA (n=50) | Healthy children (n=89) | Test value (df) (P-value) | |
|---|---|---|---|---|
| Age, mean (SD), years | 11.3 (4.2) | 11.4 (4.3) | 12.4 (4.2) | F(2)=1.4 (0.3) |
| Sex, male/female, n (%) | 21 (84)/4 (16) | 24 (48)/26 (52) | 53 (59.6)/36 (40.4) | χ2(2)=8.9 (0.05) |
| Place of residence | ||||
| Rural/urban, n (%) | 13 (52)/12 (48) | 13 (26)/37 (74) | 7 (7.9)/82 (92.1) | χ2(2)=25.2 (<0.001) |
| Mother’s age, mean (SD), years | 40.4 (8.1) | 37.7 (6.1) | 42.2 (5.9) | F(2)=7.9 (<0.001) |
| Mother’s employment | ||||
| Employed/unemployed, n (%) | 10 (40)/15 (60) | 25 (50)/25 (50) | 82 (92.1)/7 (7.9) | χ2(2)=41.9 (<0.001) |
| Father’s age, mean (SD), years | 45.0 (9) | 42.2 (7.1) | 45.2 (7.6) | F(2)=2.6 (0.08) |
| Father’s employment | ||||
| Employed/unemployed, n (%) | 15 (60)/10 (40) | 38 (76)/12 (24) | 69 (77.5)/20 (22.5) | χ2(2)=3.3 (0.2) |
| Family monthly income, mean (SD), € | 427.6 (251.5) | 517.0 (359.5) | 1032.6 (531.9) | F(2)=30.1 (<0.001) |
Abbreviations: PID, primary immunodeficiency disease; JIA, juvenile idiopathic arthritis; SD, standard deviation; df, degrees of freedom.