Table 1

Characteristics and instrument scores of participants according to bed bug infestation exposure status

CharacteristicsExposed to bed bug infestation (%)N*
Sex
 Male5038
 Female3853
Age (years)
 ≤364848
 ≥373743
Education
 Less than high school4117
 High school or more3860
Employment status
 Employed4236
 Unemployed4455
Legally married
 Yes4250
 No4441
Perceived sufficient means
 Yes4639
 No4248
Stressful event in last year
 Yes4358
 No4233
Psychiatric diagnosis
 None4376
 1+449
Medical diagnosis
 None5340
 1+3551
Number of inhabitants†
 1–22025
 3+5265
Cockroaches in dwelling†
 Present5072
 Absent1619
Anxiety symptoms (GAD-7)†
 Present5531
 Absent3256
Depressive symptoms (PHQ-9)
 Present5227
 Absent3760
Sleep disturbance (PSQI(5))†
 Present7114
 Absent4068
Total91
  • *May not total due to missing data.

  • †These variables differed significantly for the exposure groups on Pearson χ² analysis p<0.05, two-sided test.

  • GAD-7, Generalised Anxiety Disorder 7-item scale; PHQ-9, Pittsburgh Sleep Quality Index, 5th subscale; PSQI(5), Patient Health Questionnaire, 9-item.