Table 1.

Distribution and classification of pain intensity and pain interference scores from the Brief Pain Index (N = 949).

	Classification	Score	Percentage (%)
Pain intensity	Mild	1–4	14.9
	Moderate	5–6	39.7
	Severe	7–10	45.4
Pain interference	Mild	<2	2.2
	Moderate	2–6	25.3
	Severe	>6	72.5

Classification of pain intensity based on Serlin et al. (32). Classification of pain interference based on Shi et al. (33).