Table 2. Unadjusted ORs for suicide attempts at wave 2.
| Proportion of participants (95% CI) or mean (SD; 95% CI) | Total number of participants | Number of participants who reported attempted suicide at wave 2 | Unadjusted OR (95% CI) | p value | |
|---|---|---|---|---|---|
| Change in PGSI score | |||||
| No change in PGSI score | 78·9% (76·7–80·9) | 1575 | 41 | 1 (ref) | <0·0001 |
| PGSI score increased | 7·5% (6·2–8·9) | 133 | 11 | 4·49 (2·17–9·29) | ¨ |
| PGSI score decreased | 13·7% (11·9–15·6) | 233 | 11 | 1·78 (0·84–3·79) | ¨ |
| PGSI score at wave 1 | 0·8 (3·1; 0·7–1·0) | 1941 | 65 | 1·11 (1·05–1·17) | <0·0001 |
| Gender at wave 1 | |||||
| Male | 53·2% (50·8–55·6) | 749 | 22 | 1 (ref) | 0·34 |
| Female | 46·8% (44·4–49·3) | 1192 | 43 | 1·31 (0·75–2·28) | ¨ |
| Age in single years at wave 1 | 20·1 (2·4; 20·0–20·3) | 1941 | 65 | 0·99 (0·89–1·12) | 0·92 |
| Ethnicity at wave 1 | |||||
| White | 83·6% (81·6–85·4) | 1642 | 56 | 1 (ref) | 0·45 |
| Mixed-race or other | 4·4% (3·5–5·7) | 76 | 1 | 0·25 (0·03–1·85) | ¨ |
| Asian | 6·5% (5·3–7·9) | 112 | 2 | 0·74 (0·16–3·39) | ¨ |
| Black | 1·4% (1·0–2·1) | 35 | 1 | 0·70 (0·09–5·29) | ¨ |
| Missing | 4·1% (3·2–5·1) | 76 | 5 | 1·82 (0·67–4·91) | ¨ |
| Employment status at wave 1 | |||||
| Employed, in education, or in training | 88·8% (82·7–90·2) | 1698 | 55 | 1 (ref) | 0·45 |
| Not in employment, education, or training | 11·2% (9·8–12·8) | 243 | 10 | 1·33 (0·63–2·82) | ¨ |
| Area deprivation at wave 1 | |||||
| Not living in most deprived quintile | 67·5% (65·0–69·9) | 1424 | 44 | 1 (ref) | 0·27 |
| Living in most deprived quintile | 18·1% (16·3–20·1) | 361 | 16 | 1·62 (0·85–3·07) | ¨ |
| Missing | 14·4% (12·4–16·7) | 156 | 5 | 0·81 (0·30–2·21) | ¨ |
| Parents’ qualifications at wave 1 | |||||
| Degree or higher | 58·6% (56·2–61·1) | 1138 | 32 | 1 (ref) | 0·42 |
| Lower than degree or none | 36·6% (34·2–39·0) | 707 | 28 | 1·34 (0·76–2·37) | ¨ |
| Missing | 4·8% (3·9–6·0) | 96 | 5 | 1·77 (0·63–4·94) | |
| Alcohol status at wave 1 | |||||
| Non-drinking | 27·2% (25·0–29·5) | 496 | 17 | 1 (ref) | 0·35 |
| M SASQ score 0–2 | 59·8% (57·3–62·2) | 1176 | 34 | 0·87 (0·46–1·65) | ¨ |
| M SASQ score 3 or more (higher risk drinking) | 13·1% (11·6–14·8) | 269 | 14 | 1·47 (0·67–3·24) | ¨ |
| Impulsivity score at wave 1 | 2·3 (0·9; 2·2–2·3) | 1941 | 65 | 2·09 (1·55–2·84) | <0·0001 |
| Social media use at wave 1 | |||||
| Less than 1 h per day | 12·7% (12·7–14·5) | 248 | 5 | 1 (ref) | 0·65 |
| 1 h per day to <2 h per day | 19·8% (17·9–21·9) | 371 | 12 | 1·56 (0·50–4·90) | ¨ |
| 2 h per day to <3 h per day | 21·1% (19·1–23·2) | 411 | 12 | 1·13 (0·36–3·56) | ¨ |
| 3 h per day to <5 h per day | 19·2% (17·4–21·3) | 376 | 12 | 1·25 (0·40–3·95) | ¨ |
| ≥5 h per day | 27·1% (25·0–29·5) | 535 | 24 | 1·84 (0·64–5·27) | ¨ |
| Video game play at wave 1 | |||||
| Does not play video games on weekly basis | 47·6% (45·1–50·1) | 1010 | 36 | 1 (ref) | 0·57 |
| Plays video games once a week or more | 52·4% (49·9–54·9) | 931 | 20 | 0·85 (0·49–1·47) | ¨ |
| Perceived loneliness at wave 1 | |||||
| Not at all, not often, or sometimes | 86·1% (84·3–87·7) | 1671 | 39 | 1 (ref) | <0·0001 |
| Very much | 13·9% (12·3–15·8) | 270 | 26 | 3·55 (2·01–6·26) | ¨ |
| Happiness score at wave 1* | 6·5 (2·3; 6·4–6·6) | 1941 | 65 | 0·79 (0·69–0·89) | <0·0001 |
| Anxiousness score at wave 1† | 4·5 (2·8; 4·4–4·6) | 1941 | 65 | 1·33 (1·18–1·50) | <0·0001 |
| Suicide attempts at wave 1 | |||||
| No | 96·3% (95·2–97·1) | 1866 | 45 | 1 (ref) | <0·0001 |
| Yes | 3·7% (2·9–4·8) | 75 | 20 | 14·61 (7·57–28·23) | ¨ |
All percentage estimates have survey weights applied, while n represents the absolute unweighted number. M SASQ=Modified Single Alcohol Screening Questionnaire. OR=odds ratio. PGSI=Problem Gambling Severity Index.
*
Higher happiness scores indicate higher happiness.
†
Higher anxiousness scores indicate higher anxiousness.