Table 2

Comparison of scores of PHQ-9, GAD7, PSS-10 and SSRS in various variables

VariablesPHQ-9GAD-7PSS-10SSRS
Md (Q1–Q3) Z/χ2 P valueMd (Q1–Q3) Z/χ 2 P valueM (SD) F P valueM (SD) F P value
GenderFemale3 (1–6)−1.6010.1092 (0–4)−1.5690.11712.58 (5.48)0.0880.76744.05 (7.51)0.8090.368
Male2 (0–6)1 (0–4)12.35 (5.72)43.70 (7.92)
DomicileCentral China4 (1–6.25)−2.534*0.0112 (0–5)−3.017**0.00313.12 (5.49)3.2970.07043.82 (7.44)0.1490.699
Non-central China3 (1–5)1 (0–4)12.44 (5.53)44.01 (7.62)
Marital statusMarried or remarried3 (1–6)−1.7710.0771 (0–4)−1.9450.05212.48 (5.48)1.7470.18644.38 (7.33)52.873***<0.001
Divorced or widowed4 (1–7)2 (0–6)13.44 (6.35)37.38 (8.86)
OccupationWorkers2 (1–6)6.6900.3501.5 (0–4.25)3.3470.76413.47 (6.06)0.7140.63945.34 (8.47)2.520*0.020
Clerks3 (1–5)1 (0–4)12.51 (5.28)43.78 (7.45)
Civil servants3 (0–5)1 (0–4)12.55 (5.39)45.61 (7.24)
Professional and technical workers3 (1–5)2 (0–4)11.95 (5.70)44.51 (7.70)
Farmers4 (1.25–6)2 (0–6)13.96 (6.08)44.21 (6.42)
Self-employed3 (1–6)1 (0–4.75)12.93 (5.32)43.40 (7.56)
Unemployed3 (1–7)2 (0–5)12.83 (5.93)41.79 (7.36)
QuarantineYes3 (1–7)−2.379*0.0172 (0–5)−1.2960.19513.40 (5.57)3.3410.06844.06 (7.57)0.8120.368
No3 (1–5)1 (0–4)12.41 (5.51)43.43 (7.75)
Parents’ history of mental illnessNo3 (1–5)−7.820***<0.0011 (0–4)−9.050***<0.00112.21 (5.38)48.080***<0.00144.30 (7.45)24.721***<0.001
Yes7 (4–9)6 (3–8.5)16.20 (5.86)40.29 (8.25)
Family economic levelLow3.5 (1–6)−4.012***<0.0012 (0–5)−2.166*0.03013.74 (5.58)16.746***<0.00142.22 (7.91)22.761***<0.001
Medium or high2 (1–5)1 (0–4)12.08 (5.44)44.64 (7.36)
Child's learning stagePrimary school3 (1–6)24.428***<0.0012 (0–5)24.036***<0.00113.16 (5.43)1.3990.24242.87 (7.73)11.981***<0.001
Middle school3 (1–6)2 (0–5)12.42 (5.77)44.33 (7.34)
High school3 (1–6)1 (0–5)12.64 (5.11)43.06 (7.35)
College2 (0–4)0 (0–3)11.62 (5.73)46.42 (7.60)
Family conflictsNo2 (0–5)−10.849***<0.0011 (0–3)−11.465***<0.00111.81 (5.31)81.861***<0.00144.73 (7.39)45.826***<0.001
Yes5 (3–8)5 (2–7)15.36 (5.48)41.05 (7.65)
Marital satisfactionLow4 (2–7)125.311***<0.0013 (1–6)101.271***<0.00114.21 (5.31)36.559***<0.00140.51 (7.53)82.425***<0.001
Medium2 (1–5)1 (0–3.25)12.24 (5.04)45.01 (6.62)
High1 (0–4)0 (0–3)10.99 (5.71)46.77 (7.08)
Intimacy with childLow3 (1–7)58.186***<0.0012 (0–5)40.261***<0.00113.83 (5.23)25.361***<0.00142.07 (7.52)34.070***<0.001
Medium3 (1–5)2 (0–5)12.34 (5.36)43.82 (7.21)
High1 (0–4)0 (0–3)11.24 (5.67)46.28 (7.38)
Parenting styleAuthoritative3 (1–6)37.296***<0.0012 (0–5)26.540***<0.00112.83 (5.80)6.732***<0.00143.82 (7.54)1.240.296
Authoritarian7 (3–9)3 (1–5)15.74 (5.31)42.32 (7.45)
Permissive2 (1–5)1 (0–4)12.12 (5.33)44.23 (7.65)
Uninvolved4 (1.75–7)2 (0–4.25)13.48 (5.54)42.95 (6.96)
  • *P<0.05, **p<0.01,***p<0.001.

  • GAD-7, Generalised Anxiety Disorder-7; M, mean; Md, median; PHQ-9, Patient Health Questionnaire-9; PSS-10, Perceived Stress Scale-10; Q1, first quartile; Q3, third quartile; SSRS, Social Support Rating Scale.