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Table 5 Two random-intercept logistic regression models showing the associations between OHIP item missingness and age, gender, and OHRQoL levels

From: Is assessment of oral health-related quality of life burdensome? An item nonresponse analysis of the oral health impact profile

Predictor variables

Data collection without supervision

Data collection with supervision

Participants from the general population in Sweden

Participants from the general population and the patient population in Germany, Hungary, Japan, Slovenia, Sweden

Odds ratio (95% confidence interval)

Older age

5.47 (3.19–9.39)

1.70 (1.29–2.24)

Female gender

2.66 (1.59–4.45)

1.09 (0.84–1.42)

More OHRQoL impairment

1.34 (0.82–2.18)

2.65 (2.00–3.52)

Intercept

0.00 (0.00–0.00)

0.00 (0.00–0.00)