Table 4.

The association problematic Internet use and psychosomatic symptoms and life satisfaction

Variables	Crude OR (95%CI)	Adjusted OR (95%CI) *
Psychosomatic symptoms
Lack of physical energy	3.68 (3.22 ~ 4.19) **	3.50 (3.03 ~ 4.03) **
Physiological dysfunction	2.94 (2.60 ~ 3.32) **	2.83 (2.49 ~ 3.22) **
Weakened immunity	2.59 (2.27 ~ 2.94) **	2.33 (2.04 ~ 2.67) **
Emotional symptoms	4.40 (3.91 ~ 4.95) **	4.11 (3.62 ~ 4.66) **
Behavioral symptoms	4.84 (4.28 ~ 5.47) **	4.55 (3.99 ~ 5.20) **
Social adaptation problems	4.69 (4.16 ~ 5.30) **	4.23 (3.72 ~ 4.81) **
Life satisfaction#
Family	2.81 (2.50 ~ 3.16) **	2.38 (2.10 ~ 2.70) **
Friends	2.39 (2.13 ~ 2.69) **	2.26 (2.00 ~ 2.55) **
School	3.79 (3.37 ~ 4.26) **	3.16 (2.79 ~ 3.57) **
Living environment	2.40 (2.14 ~ 2.70) **	2.28 (2.02 ~ 2.58) **
Self	2.05 (1.82 ~ 2.30) **	1.90 (1.69 ~ 2.15) **

*Adjusted for gender, grade, residential background, area, self-report family economy, service type mostly used and frequency of Internet use.

^# Less than or equal to 25th percentile of the score was defined as dissatisfaction for each dimension of life satisfaction.

** P < 0.001