Prevalence of and factors associated with alexithymia among patients with chronic obstructive pulmonary disease in China: a cross-sectional study

Table 4 Multivariate logistic regression analysis of predictors of alexithymia in patients with COPD

Variable	β	χ²	P	OR	95% CI
Age	− 0.121	5.553	0.045	0.886	0.794–0.988
BMI	− 0.129	2.811	0.048	0.879	0.781–0.989
HADS-A	0.213	17.358	< 0.001	1.238	1.097–1.396
HADS-D	0.163	16.602	< 0.001	1.178	1.034–1.340
mMRC	0.260	24.356	< 0.001	1.297	1.274–1.320
SGRQ	0.487	30.001	< 0.001	1.627	1.401–1.890
ACCI	0.172	20.131	< 0.001	1.165	1.051–1.280
GOLD grade	0.259	20.035	< 0.001	1.296	1.256–1.337

Alexithymia (TAS-20 > 60) is considered as a dependent variable and sex, age, BMI, smoking, drinking, duration of disease, FEV₁% expected value, mMRC scores, HADS-A scores, HADS-D scores, SGRQ scores, and ACCI scores were independent variables. BMI, body mass index; FEV₁, forced expiratory volume in 1 s; HADS-A, Hospital Anxiety and Depression Scale for anxiety; HADS-D, Hospital Anxiety and Depression Scale for depression; mMRC, Modified British Medical Research Council; SGRQ, St. George's respiratory questionnaire; ACCI age-adjusted Charlson comorbidity index; GOLD, Global Initiative for Chronic Obstructive Lung Disease

ISSN: 1471-2466