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Table 6 crude and adjusted odds ratios (OR) and 95% confidence intervals (95% CI) of alexithymia by sociodemographic factors, symptoms of negative emotion and childhood trauma

From: Prevalence and associated factors of alexithymia among adult prisoners in China: a cross-sectional study

  Alexithymia cOR(95% CI) p aOR (95% CI) p
No (n = 1170) n (%) Yes(n = 535) n (%)
Gender
 Male 729 (62.3) 330 (61.7) 1.00 (reference)   1.00 (reference)  
 Female 441 (37.7) 205 (38.3) 1.03 (0.83–1.27) 0.81 1.28 (0.96–1.71) 0.09
Age group
 18–24 399 (35.6) 178 (35.2) 1.00 (reference)   1.00 (reference)  
 25–34 474 (42.3) 187 (37.0) 0.88 (0.69–1.13) 0.32 0.86 (0.62–1.20) 0.38
 35–44 182 (16.2) 96 (19.0) 1.18 (0.87–1.60) 0.28 1.13 (0.72–1.77) 0.61
 45–54 48 (4.3) 32 (6.3) 1.49 (0.92–2.42) 0.10 2.02 (1.02–3.97) 0.04
  > 54 18 (1.6) 13 (2.6) 1.62 (0.77–3.38) 0.20 1.39 (0.50–3.85) 0.53
Education group
 Primary school or lower 277 (23.8) 178 (33.5) 1.00 (reference)   1.00 (reference)  
 Secondary school/technical school 797 (68.5) 343 (64.5) 0.67 (0.53–0.84) 0.00 0.73 (0.54–0.98) 0.04
 College or above 89 (7.7) 11 (2.1) 0.19 (0.10–0.37) 0.00 0.19 (0.09–0.42) 0.00
Location of residence
 Urban 350 (30.2) 154 (29.4) 1.00 (reference)   1.00 (reference)  
 Rural 810 (69.8) 369 (70.6) 1.04 (0.83–1.29) 0.76 0.92 (0.68–1.23) 0.56
Marital status
 Single 663 (57.2) 294 (55.3) 1.00 (reference)   1.00 (reference)  
 Married/Cohabiting 377 (32.5) 172 (32.3) 1.03 (0.82–1.29) 0.81 1.12 (0.79–1.56) 0.53
 Divorced/Windowed 120 (10.3) 66 (12.4) 1.24 (0.89–1.73) 0.20 1.11 (0.69–1.79) 0.67
Maximum sentence length (months)
 36 or less 302 (26.3) 124 (23.7) 1.00 (reference)   1.00 (reference)  
 37–60 284 (24.8) 124 (23.7) 1.06 (0.79–1.43) 0.69 1.16 (0.81–1.66) 0.43
 61–120 297 (25.9) 122 (23.3) 1.00 (0.74–1.35) 0.99 0.97 (0.66–1.43) 0.88
  > 120 189 (16.5) 102 (19.5) 1.31 (0.96–1.81) 0.09 1.12 (0.69–1.79) 0.65
 suspended death /life imprisonment 75 (6.5) 51 (9.8) 1.66 (1.09–2.50) 0.02 1.13 (0.54–2.36) 0.75
Duration in prison (months)
 12 or less 269 (23.7) 105 (20.2) 1.00 (reference)   1.00 (reference)  
 13–24 418 (36.8) 183 (35.2) 1.12 (0.84–1.49) 0.43 1.15 (0.82–1.60) 0.43
 25–48 233 (20.5) 112 (21.5) 1.23 (0.89–1.69) 0.20 1.13 (0.74–1.74) 0.56
 49–120 171 (15.1) 82 (15.8) 1.23 (0.87–1.74) 0.24 0.96 (0.55–1.66) 0.88
  > 120 45 (4.0) 38 (7.3) 2.16 (1.33–3.52) 0.00 1.44 (0.63–3.31) 0.39
BAI
 no anxiety 599 (52.6) 196 (37.3) 1.00 (reference)   1.00 (reference)  
 mild anxiety 341 (29.9) 128 (24.4) 1.15 (0.89–1.49) 0.30 0.72 (0.51–1.01) 0.05
 moderate anxiety 140 (12.3) 127 (24.2) 2.77 (2.08–3.70) 0.00 1.43 (1.02–2.09) 0.04
 severe anxiety 59 (5.2) 74 (14.1) 3.83 (2.63–5.59) 0.00 1.71 (1.06–2.73) 0.03
BDI
 no depression 258 (22.1) 58 (10.8) 1.00 (reference)   1.00 (reference)  
 mild depression 270 (23.1) 90 (16.8) 1.48 (1.02–2.15) 0.04 1.33 (0.87–2.03) 0.18
 moderate depression 470 (40.2) 214 (40.0) 2.03 (1.46–2.81) 0.00 1.62 (1.08–2.41) 0.02
 severe depression 172 (14.7) 173 (32.3) 4.47 (3.14–6.38) 0.00 2.93 (1.84–4.67) 0.00
BHS
 no hopelessness 201 (20.0) 41 (9.1) 1.00 (reference)   1.00 (reference)  
 mild hopelessness 443 (44.2) 167 (37.2) 1.85 (1.26–2.70) 0.00 1.56 (1.01–2.39) 0.04
 moderate hopelessness 320 (31.9) 198 (44.1) 3.03 (2.08–4.44) 0.00 1.86 (1.18–2.92) 0.03
 severe hopelessness 39(3.9) 43(9.6) 5.41 (3.12–9.35) 0.00 2.35(1.21–4.55) 0.01
CTQ
 Never (none) 54 (4.6) 10 (1.9) 1.00 (reference)   1.00 (reference)  
 Rarely (low) 855 (73.1) 331 (61.9) 2.09 (1.05–4.15) 0.03 2.40 (1.02–5.66) 0.05
 Sometimes (moderate) 238 (20.3) 166 (31.0) 3.76 (1.86–7.61) 0.00 3.63 (1.49–8.84) 0.00
 Often/very often(severe) 23(2.0) 28(5.2) 6.57(2.75–15.72) 0.00 4.08(1.35–12.32) 0.01