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. 2022 Aug 11;17(8):e0272925. doi: 10.1371/journal.pone.0272925

Table 3. Risk factors for adolescents’ self-reported loneliness and sadness, and parent-reported low emotional well-being.

Self-reported sadness Self-reported loneliness Parent-reported low emotional well-being (KINDL®)
N No
N(%)
Yes
N(%)
Sadness
aOR (95% CI)a
N No
N(%)
Yes
N(%)
Loneliness
aOR (95% CI)a
N High
N(%)
Low
N(%)
Low emotional well-being
aOR (95% CI)a
Age of the adolescent (years) 1 236 15.4 (1.1) 14.9 (3.1) 0.96 (0.72–1.13) 237 15.3 (1.6) 14.9 (3.2) 1.01 (0.80–1.23) 234 15.4 (1.2) 15.3 (1.1 0.84 (0.62–1.17)
Age of the parent (years) 1 236 47.8 (4.9) 49.5 (6.0) 1.06 (1.00–1.13) * 237 48.2 (5.2) 49.3 (6.0) 1.04 (0.97–1.12) 234 48.0 (5.2) 50.2 (5.9) 1.10 (0.97–1.22)
Sex of the adolescent 236 237
    Boy 94 (75.2) 31 (24.8) 1 109 (86.5) 17 (13.5) 1 234 112 (89.6) 13 (10.4) 1
    Girl 58 (52.3) 53 (47.7) 3.20 (1.67–6.16) ** 73 (65.8) 38 (34.2) 4.10 (1.92–8.78) ** 84 (77.1) 25 (22.9) 2.73 (1.22–6.06) *
Self-perceived mood of the parent 236
    Good 138 (69.3) 61 (30.7) 1 237 158 (79.0) 42 (21.0) 1 234 168 (84.4) 31 (15.6) 1
    Average to poor 14 (37.8) 23 (62.2) 2.62 (1.10–6.23) * 24 (64.9) 13 (35.1) 1.68 (0.71–3.98) 28 (80.0) 7 (20.0) 0.94 (0.39–2.30)
Financial situation of the household 236
    Good 115 (66.9) 57 (33.1) 1 237 136 (78.6) 37 (21.4) 1 234 147 (85.5) 25 (14.5) 1
    Average to poor 22 (48.9) 23 (51.1) 2.31 (1.01–6.10) * 30 (66.7) 15 (33.3) 1.98 (0.68–4.63) 32 (74.4) 11 (25.6) 2.37 (0.98–7.38) *
    No answer 15 (78.9) 4 (21.1) 0.85 (0.30–2.91) 16 (84.2) 3 (15.8) 1.41 (0.36–5.50) 17 (89.5) 2 (10.5) 0.98 (0.29–4.76)
Household size (individuals) 1 236 3.3 (1.1) 3.3 (1.3) 1.15 (0.97–1.48) 237 3.3 (1.1) 3.4 (1.5) 1.17 (0.67–1.59) 3.4 (1.2) 3.1 (1.4) 0.73 (0.39–1.21)
Household density 235 236 233
    Non-crowded 142 (66.0) 73 (34.0) 1 167 (77.3) 49 (22.7) 1 182 (85.4) 31 (14.6) 1
    Crowded 10 (50.0) 10 (50.0) 1.60 (0.58–4.77) 15 (75.0) 5 (25.0) 0.99 (0.74–1.65) 13 (65.0) 7 (35.0) 3.12 (1.10–9.37) *
Change in social media habits 230 231 228
    Same or less 93(73.8) 33 (26.2) 1 105 (83.3) 21 (16.7) 1 107 (86.3) 17 (13.7) 1
    More 55 (52.9) 49 (47.1) 2.07 (1.08–3.97) * 72 (68.6) 33 (31.4) 1.88 (0.96–3.90) 84 (80.8) 20 (19.2) 1.57 (0.67–3.40)
Screen time (hours) 1 230 1.7 (1.8) 2.0 (2.0) 1.04 (0.91–1.27) 231 1.8 (1.8) 2.1 (2.1) 1.06 (0.87–1.27) 228 1.9 (2.0) 1.5 (1.5) 0.98 (0.71–1.15)
Parent anti-SARS-CoV-2 serology 236 237 234
    Negative 121 (68.4) 56 (31.6) 1 139 (78.1) 39 (21.9) 1 148 (84.1) 28 (15.9) 1
    Positive 31 (52.5) 28 (47.5) 2.55 (1.14–5.67) * 43 (72.9) 16 (27.1) 2.05 (0.84–5.01) 48 (82.8) 10 (17.2) 0.67 (0.23–1.98)
Adolescent anti-SARS-CoV-2 serology 236 237
    Negative 116 (63.4) 67 (36.6) 1 135 (73.4) 49 (26.6) 1 234 153 (84.1) 29 (15.9) 1
    Positive 36 (67.9) 17 (32.1) 0.54 (0.22–1.32) 47 (88.7) 6 (11.3) 0.19 (0.05–0.70) ** 43 (82.7) 9 (17.3) 1.59 (0.57–4.38)
Parents’ marital status 236 237 234
    Married or in couple 120 (65.2) 64 (34.8) 1 147 (79.5) 38 (20.5) 1 155 (84.7) 28 (15.3) 1
    Divorced, separated, single or widowed 32 (61.5) 20 (38.5) 1.17 (0.61–2.20) 35 (67.3) 17 (32.7) 1.36 (0.58–3.21) 41 (80.4) 10 (19.6)) 0.84 (0.27–2.20)

Results are adjusted odds ratio (aOR) and 95% confidence intervals (CI) from multivariable generalized estimating equations adjusted for all covariates in first column.

a based on 225 observations

* indicates P < 0.05

** indicates P < 0.01.

1 Descriptive analysis presented as mean (SD); OR applicable for each additional unit of continuous variables.