Table 3 Subgroup analysis of depressive symptoms trajectories for CLD

Age, years

0.187

 < 60

1.00(Ref)

1.55 (1.01–2.30)

1.50 (0.97–2.25)

2.49 (1.57–3.84)

1.62 (1.00-2.53)

 ≥ 60

1.00(Ref)

1.31 (0.80–2.09)

1.60 (1.01–2.48)

1.77 (1.03–2.95)

0.94 (0.46–1.73)

Gender

0.142

 Male

1.00(Ref)

1.03 (0.59–1.71)

1.31 (0.80–2.07)

2.84 (1.59–4.82)

1.20 (0.63–2.10)

 Female

1.00(Ref)

1.81 (1.20–2.67)

1.85 (1.22–2.75)

2.07 (1.32–3.18)

1.45 (0.87–2.32)

Education level

0.068

 Below primary school

1.00(Ref)

1.48 (1.02–2.13)

1.68 (1.17–2.37)

2.24 (1.52–3.24)

1.36 (0.85–2.09)

 Secondary to vocational school

1.00(Ref)

1.16 (0.57–2.16)

1.29 (0.63–2.40)

1.78 (0.69-4.00)

1.22 (0.55–2.41)

 University and above

1.00(Ref)

NA

6.00 (1.17–25.15)

NA

2.00 (0.10-12.77)

Current married

0.007

 Yes

1.00(Ref)

1.49 (1.06–2.05)

1.83 (1.33–2.49)

2.38 (1.65–3.39)

1.44 (0.95–2.10)

 No

1.00(Ref)

1.02 (0.37–2.43)

0.37 (0.09–1.09)

1.09 (0.39–2.62)

0.67 (0.16–2.01)

Residence

0.088

 Rural

1.00(Ref)

1.57 (0.88–2.66)

1.22 (0.63–2.19)

1.07 (0.42–2.34)

1.18 (0.58–2.19)

 Urban

1.00(Ref)

1.43 (0.97–2.08)

1.72 (1.19–2.45)

2.58 (1.74–3.75)

1.39 (0.86–2.16)

Smoking Status

0.004

 Never

1.00(Ref)

1.56 (1.06–2.26)

1.89 (1.30–2.70)

1.61 (1.02–2.46)

1.19 (0.72–1.87)

 Former

1.00(Ref)

0.65 (0.14–2.16)

0.66 (0.15–2.07)

1.83 (0.36–6.92)

1.26 (0.19–5.03)

 Current

1.00(Ref)

1.45 (0.75–2.64)

1.13 (0.55–2.14)

4.92 (2.62–8.94)

1.85 (0.89–3.52)

Drinking Status

0.172

 Never

1.00(Ref)

1.47 (1.00-2.11)

1.62 (1.12–2.30)

2.02 (1.33–2.99)

1.56 (1.02–2.32)

 Former

1.00(Ref)

2.62 (0.93–6.78)

2.68 (0.88–7.27)

2.32 (0.60–7.28)

NA

 Current

1.00(Ref)

1.10 (0.50–2.19)

1.13 (0.51–2.25)

3.24 (1.47–6.65)

0.88 (0.26–2.25)

BMI, kg/m2

0.250

 ≥ 24

1.00(Ref)

1.11 (0.67–1.78)

1.67 (1.06–2.56)

1.65 (0.94–2.77)

1.24 (0.68–2.10)

 < 24

1.00(Ref)

1.76 (1.15–2.62)

1.48 (0.95–2.25)

2.70 (1.71–4.15)

1.39 (0.81–2.28)

Hypertension

0.180

 Yes

1.00(Ref)

1.51 (0.86–2.55)

1.42 (0.78–2.47)

2.76 (1.56–4.76)

1.50 (0.76–2.77)

 No

1.00(Ref)

1.40 (0.94–2.03)

1.57 (1.08–2.24)

1.86 (1.18–2.84)

1.21 (0.74–1.89)

Diabetes

0.311

 Yes

1.00(Ref)

2.91 (1.04–7.82)

2.68 (0.83–7.83)

2.01 (0.41–7.57)

0.96 (0.14–3.80)

 No

1.00(Ref)

1.36 (0.97–1.88)

1.48 (1.06–2.02)

2.20 (1.54–3.10)

1.34 (0.89–1.95)

Dyslipidaemia

0.018

 Yes

1.00(Ref)

1.99 (0.80–4.61)

1.53 (0.53–3.93)

3.63 (1.48–8.66)

4.29 (1.67–10.46)

 No

1.00(Ref)

1.41 (1.00-1.95)

1.60 (1.15–2.19)

1.99 (1.35–2.88)

1.10 (0.70–1.66)

Heart disease

0.037

 Yes

1.00(Ref)

1.37(0.60–2.92)

1.24(0.59–2.50)

2.13(1.04–4.25)

2.18(1.06–4.32)

 No

1.00(Ref)

1.43(1.01-2.00)

1.60(1.13–2.23)

2.15(1.43–3.14)

1.04(0.64–1.63)

Stroke

0.367

 Yes

1.00(Ref)

4.57 (0.20-54.16)

4.00 (0.45–35.49)

4.57 (0.51–40.86)

NA

 No

1.00(Ref)

1.42 (1.03–1.93)

1.53 (1.11–2.06)

2.12 (1.49–2.96)

1.35 (0.91–1.9)

kidney disease

0.285

 Yes

1.00(Ref)

1.78 (0.54–5.41)

3.24 (1.17–8.84)

3.20 (1.05–9.60)

0.69 (0.10–2.92)

 No

1.00(Ref)

1.42 (1.02–1.95)

1.49 (1.06–2.05)

2.10 (1.44–2.99)

1.40 (0.94–2.03)