Table听1 Demographic background and substance use
Variable | Total population (N鈥�=鈥�240) | Substance use (N鈥�=鈥�156) | 围2 (chi-square) | P-value |
|---|---|---|---|---|
Age | ||||
鈥僊ean age (years) | 17.31 | 17.80 | 鈥� | 鈥� |
Age of initiation | ||||
鈥�10鈥�12听测别补谤蝉 | 31 (12.9%) | 6 (3.8%) | 12.45 | 0.002 |
鈥�13鈥�15听测别补谤蝉 | 57 (23.8%) | 26 (16.7%) | 听 | 听 |
鈥�16鈥�18听years | 152 (63.3%) | 124 (79.5%) | 听 | 听 |
Sex | ||||
鈥僊补濒别 | 162 (67.5%) | 114 (73.1%) | 1.84 | 0.175 |
鈥僃别尘补濒别 | 78 (32.5%) | 42 (26.9%) | 听 | 听 |
Academic status | ||||
鈥僑HS 1 | 47 (19.6%) | 21 (13.5%) | 6.92 | 0.031 |
鈥僑HS 2 | 49 (20.4%) | 38 (24.3%) | 听 | 听 |
鈥僑HS 3 | 144 (60.0%) | 97 (62.2%) | 听 | 听 |
Residential status | ||||
鈥傿辞补谤诲颈苍驳 | 205(85.4%) | 132 (84.6%) | 0.05 | 0.822 |
鈥僁补测 | 35 (14.6%) | 24 (15.4%) | 听 | 听 |