Table 2 Distribution of loneliness, belonging and psychosomatic complaints at ages 17–18 and 20–21. Differences by time assessed with χ2 tests (for loneliness and belonging) and with paired t-tests (for psychosomatic complaints) and differences by gender assessed with χ2 tests (for loneliness and belonging) and unpaired t-tests (for psychosomatic complaints)
|  | All (n = 2684) | Males (n = 1116) | Females (n = 1568) | P, gender | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Loneliness | Low | High | Low | High | Low | High | Â | ||||||
 17–18 years | 85.5 | 14.5 | 87.2 | 12.8 | 84.4 | 15.6 | 0.041 | ||||||
 20–21 years | 82.5 | 17.5 | 83.1 | 16.9 | 82.0 | 18.0 | 0.444 | ||||||
 P, time | < 0.001 | < 0.001 | < 0.001 |  | |||||||||
Belonging | Low | High | Low | High | Low | High | Â | ||||||
 17–18 years | 21.3 | 78.7 | 18.1 | 81.9 | 23.6 | 76.4 | 0.001 | ||||||
 20–21 years | 25.0 | 75.0 | 22.2 | 77.8 | 26.9 | 73.1 | 0.006 | ||||||
 P, time | < 0.001 | < 0.001 | < 0.001 |  | |||||||||
Loneliness & Belonging | Socially fulfilled | Socially indifferent | Socially searching | Socially distressed | Socially fulfilled | Socially indifferent | Socially searching | Socially distressed | Socially fulfilled | Socially indifferent | Socially searching | Socially distressed | Â |
 17–18 years | 71.7 | 13.8 | 7.0 | 7.5 | 75.5 | 11.6 | 6.4 | 6.5 | 69.0 | 15.4 | 7.4 | 8.2 | 0.003 |
 20–21 years | 67.4 | 15.1 | 7.6 | 9.9 | 69.6 | 13.5 | 8.2 | 8.7 | 65.9 | 16.1 | 7.2 | 10.8 | 0.048 |
 P, time | < 0.001 | < 0.001 | < 0.001 |  | |||||||||
Psychosomatic complaintsa | Mean | SD | Mean | SD | Mean | SD | Â | ||||||
 17–18 years | 7.25 | 2.73 | 6.28 | 2.40 | 7.94 | 2.73 | < 0.001 | ||||||
 20–21 years | 7.31 | 2.65 | 6.37 | 2.40 | 7.97 | 2.62 | < 0.001 | ||||||
 P, time | 0.257 | 0.231 | 0.631 |  | |||||||||