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Table 1 Multivariable linear regression models of students’ characteristics with sleep quality, internet addiction and depressive symptoms

From: Sleep quality, internet addiction and depressive symptoms among undergraduate students in Nepal

Characteristics Sleep quality Internet addiction Depressive symptoms
b BCa 95% CI b BCa 95% CI b BCa 95% CI
Age −0.089 −0.164, −0.008 −0.476 −0.773, −0.183 0.145 −0.275, −0.024
Sex (reference: male) −0.191 −0.537, 0.148 −2.362 −3.530, −1.267 0.471 −0.139, 1.099
Caste (reference: Brahmin/Chhetri) 0.253 −0.077, 0.609 −0.017 −1.337, 1.339 0.347 −0.255, 0.949
Religion (reference: Hindu) −0.499 −0.997, −0.002 −0.205 −2.448, 2.096 −0.186 −1.127, 0.770
Marital status (reference: married) −0.205 −1.315, 0.843 0.159 −4.123, 4.173 1.143 −0.338, 2.561
Family size 0.017 −0.057, 0.092 −0.072 −0.297, 0.167 −0.102 −0.213, 0.017
Employment status (reference: employed) −0.315 −0.763, 0.111 0.216 −1.240, 1.618 −0.631 −1.476, 0.210
Tobacco use (reference: users) 0.362 −0.387, 1.100 0.618 −1.830, 3.192 −0.546 −1.701, 0.607
Alcohol use (reference: users) −0.777 −1.272, −0.301 −1.050 −2.811, 0.688 −0.478 −1.305, 0.328
Sexual activity (reference: sexually inactive) 0.514 0.097, 0.940 2.099 0.510, 3.700 1.187 0.384, 1.994
Academic performance in previous year (reference: failed) −1.026 −1.627, −0.414 −2.431 −4.213, −0.751 −2.041 −3.125, −0.963
Study year −0.123 −0.277, 0.031 0.053 −0.479, 0.584 0.336 −0.586, −0.078
Campus type (reference: public) −0.039 −0.355, 0.282 1.342 0.192, 2.459 −0.183 −0.739, 0.359
Study shift (reference: morning) −0.189 −0.524, 0.143 1.864 0.602, 3.072 0.255 −0.281, 0.799
  1. Statistically significant associations are highlighted in bold
  2. b: unstandardized coefficient; BCa: Bias corrected and accelerated: 5000 bootstrap samples