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Table 1 Characteristics of study population

From: Associations between estradiol and testosterone and depressive symptom scores of the Patient Health Questionnaire-9 in ovariectomized women: a population-based analysis of NHANES data

Variables

n = 548

PHQ-9 score

4.522 ± 0.316

Demographics

 Age

   <  = 60

166 (33.64%)

   > 60

382 (66.36%)

 Poverty income ratioa

  Not poor

412 (81.50%)

  Poor

94 (11.98%)

 Education level

  Below high school

110 (11.95%)

  High school or above

438 (88.05%)

 Married/live with partner

  No

270 (39.83%)

  Yes

278 (60.17%)

 Serum estradiol, pg/ml

16.175 ± 1.981

 Serum testosterone, ng/dL

16.507 ± 1.328

 History of estrogen use

  No

18 (4.92%)

  Yes

267 (55.42%)

 Duration of estrogen use (years)

10.697 ± 1.108

Comorbidities

 Diabetes

  No

411 (78.82%)

  Yes

137 (21.18%)

 CVD

  No

439 (81.07%)

  Yes

109 (18.93%)

 Cancer history

  No

409 (71.61%)

  Yes

139 (28.39%)

 Chronic respiratory tract disease

  No

431 (76.40%)

  Yes

117 (23.60%)

 Arthritis

  No

206 (34.49%)

  Yes

342 (65.51%)

  1. Continuous variables are presented as mean ± standard error (SE); categorical variables are presented as counts (weighted percentage)
  2. Numbers may not add up to 100% due to missing value CVD cardiovascular disease
  3. aPoverty income ratio for not poor was defined as ≥ 1, and for poor was defined as < 1