| Variable | Only girl N = 49 | Only boy N = 44 | Girl with brother N = 104 | Boy with brother N = 102 | Girl with sister N = 128 | Boy with sister N = 70 | Girl with both N = 129 | Boy with both N = 78 |
| Mean (Sd) | Mean (Sd) | Mean (Sd) | Mean (Sd) | Mean (Sd) | Mean (Sd) | Mean (Sd) | Mean (Sd) | |
| Distress | 13.69 (5.65) | 12.14 (4.42) | 16.11 (7.82) | 18.81 (6.72) | 11.93 (4.02) | 10.34 (4.48) | 14.42 (7.29) | 14.38 (6.91) |
| Social support | 26.46 (7.61) | 24.09 (4.06) | 21.02 (7.19) | 19.92 (7.65) | 29.36 (7.94) | 26.73 (7.78) | 25.23 (5.25) | 21.24 (4.88) |
| Locus of control | 7.71 (3.62) | 7.50 (3.20) | 7.97 (4.56) | 9.04 (5.89) | 10.72 (6.21) | 11.09 (7.81) | 9.94 (4.99) | 12.89 (5.89) |
| Optimism | 12.37 (2.40) | 12.75 (2.17) | 10.28 (3.11) | 10.05 (3.05) | 19.60 (4.17) | 17.36 (4.31) | 14.49 (4.02) | 12.96 (3.51) |
| Pessimism | 9.36 (3.68) | 10.02 (3.10) | 14.35 (5.14) | 15.57 (4.87) | 11.22 (6.94) | 9.03 (4.99) | 12.61 (6.07) | 13.35 (6.85) |
| Family relationship | 10.65 (6.14) | 7.57 (6.54) | 7.37 (7.16) | 9.47 (4.03) | 11.20 (9.47) | 10.98 (3.99) | 8.85 (4.72) | 8.77 (7.61) |
| Personal growth | 30.04 (10.07) | 28.79 (10.61) | 23.86 (9.79) | 19.45 (8.90) | 28.13 (12.17) | 23.19 (10.24) | 26.19 (8.64) | 22.38 (6.85) |
| Systems maintenance | 9.71 (4.85) | 11.89 (5.89) | 10.13 (6.48) | 7.51 (4.44) | 11.05 (5.63) | 9.31 (3.94) | 9.57 (5.11) | 7.46 (3.87) |