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. Author manuscript; available in PMC: 2022 Aug 1.
Published in final edited form as: Drug Alcohol Depend. 2021 May 21;225:108769. doi: 10.1016/j.drugalcdep.2021.108769

Table 2.

Multivariable model examining correlates of participants reporting that the survey took too long to complete (N = 111,472).

Characteristic aOR (95 % CI)
Age, years
 12–17 1.00
 18–25 1.10 (0.97–1.27)
 26–34 1.64 (1.43–1.90)
 35–49 2.24 (1.93–2.60)
 50–64 3.33 (2.85–3.89)
 ≥65 5.13 (4.31–6.11)
Sex
 Male 1.00
 Female 1.00 (0.92–1.09)
Race/Ethnicity
 Non-Hispanic White 1.00
 Non-Hispanic Black 1.79 (1.56–2.06)
 Hispanic 1.66 (1.52–1.81)
 Asian 1.71 (1.45–2.01)
 Other/Mixed 1.34 (1.10–1.64)
Education
 <High School 1.00
 High School Diploma 0.83 (0.74–0.94)
 Some College 0.78 (0.68–0.89)
 College or more 0.72 (0.61–0.84)
Household Income
 <$20,000 1.00
 $20,000-$49,999 0.90 (0.80–1.00)
 $50,000-$74,999 0.81 (0.71–0.93)
 ≥$75,000 0.83 (0.73–0.94)
English Speaking
 Very Well 1.00
 Well 1.46 (1.26–1.68)
 Not Well 1.60 (1.32–1.97)
 Not at All 1.74 (1.31–2.32)
Difficulty Hearing
 No 1.00
 Yes 1.03 (0.87–1.21)
Difficulty Seeing
 No 1.00
 Yes 1.17 (0.98–1.40)
Difficulty Concentrating
 No 1.00
 Yes 1.37 (1.23–1.54)
Trouble Understanding Interview
 No 1.00
 Yes 3.99 (3.51–4.53)
Number of Drugs Used
 0 drugs 1.00
 1 drug 1.10 (0.99–1.22)
 2–3 drugs 1.46 (1.29–1.65)
 4–5 drugs 1.81 (1.46–2.24)
 6–7 drugs 2.62 (1.80–3.81)
 8–13 drugs 2.91 (1.44–5.87)
Number of Missing Items
 0 missing 1.00
 1–2 missing 1.68 (1.41–2.01)
 3–4 missing 1.85 (1.28–2.67)
 5 or more missing 3.26 (2.26–4.71)

Note. All data were weighted and adjusted for the complex sample design. Participants age 12–17 were not asked level of education attainment so a missing data indicator was included for this age group for this variable. aOR = adjusted odds ratio; CI = confidence interval.