Table 2 Prevalence and univariate analysis of influence factors of suicidal ideation

All respondents

4291

4107 (95.71)

184 (4.29)

 Male

2349

2264 (96.38)

77 (3.62)

0.024

0.71 (0.52–0.95)^a

 Female

1846

1753 (94.96)

93 (5.04)

1 (referent)

 20–34

330

318 (96.6)

12 (3.64)

0.966

1 (referent)

 35–44

998

954 (95.59)

44 (4.41)

1.22 (0.64–2.34)

 45–54

1013

967 (95.46)

46 (4.54)

1.26 (0.66–2.41)

 55–64

693

664 (95.82)

29 (4.18)

1.16 (0.58–2.30)

 ≥65

1257

1204 (95.78)

53 (4.22)

1.17 (0.62–2.21)

 Junior high school or less

2440

2324 (95.25)

116 (4.75)

0.138

1 (referent)

 High school

1385

1334 (96.32)

51 (3.68)

0.77 (0.55–1.07)

 College or above

336

326 (97.02)

10 (2.98)

0.61 (0.32–1.18)

 No

904

840 (92.92)

64 (7.08)

<0.001

2.10 (1.54–2.88)^a

 Yes

3291

3176 (96.51)

115 (3.49)

1 (referent)

BMI

 <19

279

259 (92.83)

20 (7.17)

0.011

1.92 (1.18–3.12)^a

 ≥19 & <25

3464

3330(96.13)

134(3.87)

1 (referent)

 ≥25

548

518 (94.53)

30 (5.47)

1.44 (0.96–2.16)

 Good

1833

1771 (96.62)

62 (3.38)

<0.001

1 (referent)

 Fair

1890

1813 (95.93)

77 (4.07)

1.21 (0.86–1.71)

 Bad

480

441 (91.88)

39 (8.13)

2.53 (1.67–3.82)^a

 ≥21

1315

1209 (91.94)

106 (8.06)

<0.001

3.51 (2.58–4.78)^a

 <21

2914

2843 (97.56)

71 (2.44)

1 (referent)

Hope

 Hopeful

1866

1810 (97.00)

56 (3.00)

<0.001

1 (referent)

 Fair

943

905 (95.97)

38 (4.03)

1.36 (0.89–2.06)

 Hopeless

513

459 (89.47)

54 (10.53)

3.80 (2.58–5.60)^a

 Unknown

960

925 (96.35)

35 (3.65)

1.22 (0.80–1.88)

 BEMI

1948

1900 (97.54)

48 (2.46)

<0.001

1 (referent)

 Other insurances

897

838 (93.42)

59 (6.58)

2.79 (1.89–4.11)^a

 Uninsured

1137

1074 (94.46)

63 (5.54)

2.32 (1.58–3.41)^a

 ≤10000

1825

1723 (94.41)

102 (5.59)

<0.001

1 (referent)

 >1000& ≤ 20000

1479

1437 (97.16)

42 (2.84)

0.49 (0.34–0.71)^a

 >20000

987

947 (95.95)

40 (4.05)

0.71 (0.49-1.04)

Debts

 Yes

3597

3474 (95.68)

123 (3.42)

<0.001

2.72 (1.98–3.74)^a

 No

694

633 (91.21)

61 (8.79)

1 (referent)

 Employed

1219

1179 (96.72)

40 (3.28)

0.001

1 (referent)

 Retired

1749

1684 (96.28)

65 (3.72)

1.14 (0.76–1.70)

 Unemployed

1235

1161 (94.01)

74 (5.99)

1.88 (1.27–2.78)^a

 Yes

1077

1030 (95.64)

47 (4.36)

0.719

1.07 (0.72–1.50)

 No

2946

2825 (95.89)

121 (4.11)

1 (referent)

 Yes

668

632 (94.61)

36 (5.39)

0.126

1.34 (0.92–1.94)

 No

3623

3475 (95.91)

148 (4.09)

1 (referent)