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Table 1 Participant characteristics (n = 152)

From: How do people in China think about causes of their back pain? A predominantly qualitative cross-sectional survey

Age (years)
 Median (IQR) 29.0 (24.0–40.8)
Sex (% female) 73.0%
Nationality (%)
 Chinese 98.7%
 Dutch 1.3%
Region
 South Central China (28.4% of total population) 51.3%
 East China (29.5% of total population) 21.1%
 North China (12.5% of total population) 15.1%
 Southwest China (14.5% of total population) 7.9%
 Northeast China (7.7% of total population) 3.9%
 Northwest China (7.4% of total population) 0.0%
 Other 0.7%
Years since the first episode of LBPa
 Median (IQR) 3.0 (0.2–6.0)
LBP everyday (% yes) 15.1%
LBP present now (% yes) 44.1%
Pain intensityb (if LBP present now)
 Mean (SD) on 10-point numeric rating scale 3.9 (1.5)
Pain medication use in history (% yes) 5.9%
Comorbidities (e.g., cardiovascular diseases, arthritis)
 % yes 17.1%
Work/school absenteeism due to LBP (% yes) 17.1%
Duration of absenteeismc (Days)
 Median (IQR) 14.0 (7.0–32.5)
LBP impacts daily life (% yes) 36.8%
  1. Years since the first episode of LBPa (11 missing values); Pain intensityb (1 missing value); Duration of the absenteeismc (5 missing values)