Table 2

Factors associated with the remission of PLEs (N=4208)

Variables*Remitted PLEs vs non-PLEs†Remitted PLEs vs current PLEs‡
OR (95% CI)OR (95% CI)
Demographic characteristics
Age – 0.88 (0.81 to 0.95)**0.90 (0.80 to 1.00)
Sex Male11
 Female 1.50 (1.28 to 1.75)***1.00 (0.80 to 1.25)
Ethnicity Others11
 Han1.29 (0.86 to 1.94)1.47 (0.83 to 2.59)
Birthplaces Rural11
 Town1.12 (0.93 to 1.35)1.15 (0.88 to 1.49)
 Urban1.06 (0.89 to 1.27)1.29 (0.98 to 1.68)
Parental marital status Not currently married11
 Married0.95 (0.73 to 1.24)0.95 (0.68 to 1.34)
‘Left-behind’ child status No11
 Yes1.16 (0.98 to 1.37)1.10 (0.87 to 1.38)
Family history of mental disorders No11
 Yes0.86 (0.56 to 1.31)1.01 (0.63 to 1.60)
Chronic physical illness No11
 Yes 1.67 (1.29 to 2.16)***1.12 (0.82 to 1.51)
Lifestyle factors
Smoking No11
 Yes0.79 (0.46 to 1.35)0.66 (0.37 to 1.18)
Alcohol intake No11
 Yes 1.85 (1.19 to 2.88)**0.67 (0.43 to 1.05)
Physical exercise No11
 Yes1.13 (0.96 to 1.32)1.14 (0.91 to 1.44)
Psychosocial factors
Childhood trauma§ High11
 Medium0.89 (0.73 to 1.08)1.20 (0.94 to 1.53)
 Low 0.72 (0.57 to 0.91)**1.34 (0.92 to 1.95)
Recent adverse life events¶ High11
 Medium 0.73 (0.60 to 0.89)** 1.95 (1.54 to 2.47)***
 Low 0.30 (0.23 to 0.38)*** 1.56 (1.03 to 2.35)*
Resilience** Low11
 Medium0.87 (0.71 to 1.07) 1.38 (1.07 to 1.78)*
 High 0.66 (0.51 to 0.86)**1.54 (0.98 to 2.43)
Social support†† Low11
 Medium1.07 (0.87 to 1.31) 1.53 (1.18 to 1.97)**
 High1.08 (0.85 to 1.39) 1.48 (1.01 to 2.17)*
Affective symptoms
PHQ-9 score ≥5 No11
 Yes 1.98 (1.67 to 2.36)*** 0.50 (0.36 to 0.69)***
GAD-7 score ≥5 No11
 Yes 1.97 (1.66 to 2.34)*** 0.44 (0.33 to 0.59)***
Self-reported sleep problem
Difficulty falling asleep No11
 Yes1.17 (0.99 to 1.38)0.97 (0.76 to 1.23)
Waking up easily at night No11
 Yes 1.36 (1.12 to 1.65)** 0.85 (0.67 to 1.09)
Early wakening No11
 Yes 1.33 (1.13 to 1.57)** 0.64 (0.51 to 0.80)***
  • *p<0.05, **p<0.01, ***p<0.001.

  • Bold values are p<0.05.

  • *All independent variables were simultaneously entered into multivariate logistic regression models.

  • †The reference category for the dependent variables was the “non-PLEs group”.

  • ‡The reference category for the dependent variables was the “Current PLEs group”.

  • §The Childhood Trauma Questionnaire (CTQ) was used to assess self-reported experiences of childhood traumas before the age of 16.

  • ¶The Adolescent Self-Rating Life Events Checklist (ASLEC) was used to assess adverse life events in the past 12 months.

  • **The 27-item Resilience Scale for Chinese Adolescents (RSCA) was used to evaluate the resilience.

  • ††The Multidimensional Scale of Perceived Social Support (MSPSS) was used to assess individual perceived social support.

  • PLEs, psychotic-like experiences.