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. 2017 Feb 24;10:461–467. doi: 10.2147/JPR.S129585

Table 1.

Participant demographic and pain characteristics

Characteristics
Sex, n (%)
Male 28,769 (54.4)
Female 24,073 (45.6)
Age, years 47.7 (9.4)
BMI, kg/m2 22.8 (3.8)
STarT-G score 1.2 (1.4)
NRS for pain 3.1 (2.4)
Pain sites, n (%)
0 12,045 (22.8)
1 14,076 (26.6)
2 10,014 (19.0)
3 6,370 (12.1)
4–5 6,188 (11.7)
6–9 3,484 (6.6)
10+ 665 (1.3)
Disability due to chronic pain, n (%)
Present 818 (1.5)
Absent 52,024 (98.5)

Note: Data presented as mean (standard deviation) where applicable.

Abbreviations: BMI, body mass index; STarT-G, generic version of the STarT Back 5-item screening tool; NRS, numerical rating scale.