All | Early adolescents (12–14-year-olds) | Late adolescents (15–17-year-olds) | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
n = 13,074 | Female (n = 4488) | Male (n = 4814) | Female (n = 1792) | Male (n = 1942) | |||||||
Time | β | 95% CI | β | 95% CI | β | 95% CI | β | 95% CI | β | 95% CI | |
Autoregressive paths | |||||||||||
Own e-cigarette use | 1 to 2 | 0.16 | 0.14 to 0.19 | 0.14 | 0.07, 0.20 | 0.15 | 0.10, 0.19 | 0.18 | 0.11, 0.25 | 0.20 | 0.14, 0.26 |
2 to 3 | 0.59 | 0.51 to 0.68 | 0.45 | 0.21, 0.69 | 0.65 | 0.53, 0.77 | 0.54 | 0.35, 0.73 | 0.51 | 0.31, 0.72 | |
3 to 4 | 0.71 | 0.63 to 0.79 | 0.67 | 0.56, 0.79 | 0.69 | 0.59, 0.80 | |||||
4 to 5 | 0.71 | 0.62 to 0.80 | 0.67 | 0.52, 0.82 | 0.72 | 0.60, 0.84 | |||||
Peer e-cigarette use | 1 to 2 | 0.48 | 0.46 to 0.50 | 0.46 | 0.42, 0.49 | 0.43 | 0.40, 0.46 | 0.45 | 0.40, 0.50 | 0.46 | 0.42, 0.51 |
2 to 3 | 0.66 | 0.60 to 0.72 | 0.79 | 0.57, 1.01 | 0.70 | 0.61, 0.79 | 0.42 | 0.27, 0.57 | 0.61 | 0.45, 0.78 | |
3 to 4 | 0.61 | 0.48 to 0.74 | 0.48 | 0.31, 0.64 | 0.64 | 0.51, 0.76 | |||||
4 to 5 | 0.69 | 0.62 to 0.77 | 0.69 | 0.56, 0.82 | 0.70 | 0.59, 0.81 | |||||
Prediction paths | |||||||||||
Peer e-cigarette use predicting own e-cigarette use | 1 to 2 | 0.29 | 0.26 to 0.32 | 0.22 | 0.16, 0.28 | 0.23 | 0.18, 0.29 | 0.31 | 0.22, 0.39 | 0.29 | 0.22, 0.35 |
2 to 3 | 0.21 | 0.13 to 0.29 | 0.34 | 0.13, 0.55 | 0.17 | 0.06, 0.29 | 0.19 | -0.01, 0.38 | 0.20 | 0.03, 0.38 | |
3 to 4 | 0.12 | 0.03 to 0.21 | 0.15 | 0.03, 0.27 | 0.13 | 0.01, 0.25 | |||||
4 to 5 | 0.10 | 0.01 to 0.19 | 0.13 | -0.03, 0.29 | 0.11 | -0.03, 0.24 | |||||
Own e-cigarette use predicting peer e-cigarette use | 1 to 2 | 0.06 | 0.03 to 0.09 | 0.06 | 0.01, 0.10 | 0.04 | -0.00, 0.09 | 0.04 | -0.03, 0.10 | 0.14 | 0.09, 0.19 |
2 to 3 | 0.08 | -0.01 to 0.16 | -0.16 | -0.45, 0.13 | 0.02 | -0.14, 0.18 | 0.38 | 0.20, 0.56 | 0.03 | -0.20, 0.27 | |
3 to 4 | 0.15 | -0.04 to 0.33 | 0.34 | 0.13, 0.55 | 0.08 | -0.11, 0.26 | |||||
4 to 5 | -0.03 | -0.15 to 0.09 | 0.01 | -0.17, 0.18 | -0.06 | -0.23, 0.11 |