Table 3

Patient characteristics. Values are numbers (percentages) unless otherwise specified
Characteristic Intervention (n=119) Control (n=89)
Mean ± SDaage (years) 61.99 ± 9.80 62.49 ± 9.97
Sex
  Female 74 (62.2) 55 (61.8)
  Male 45 (37.8) 34 (38.2)
Ethnicity
  Han 113 (95.0) 87 (97.8)
  Zhuang 5 (4.2) 1 (1.1)
  Other 1 (0.8) 1 (1.1)
Mean ± SD education (years) 6.22 ± 4.43 6.08 ± 4.77
Marital status
  Married 103 (86.6) 78 (87.7)
  Separated 1 (0.8) 1 (1.1)
  Widowed 14 (11.8) 10 (11.2)
  Single 1 (0.8) 0 (0.0)
Comorbidity
  Hypertension 75 (63.0) b 42 (47.2)
  Heart disease 14 (11.8) 7 (7.9)
  Stroke 2 (1.7) 1 (1.1)
  Nephropathy 2 (1.7) 1 (1.1)
  Retinopathy 21 (17.6) 12 (13.5)
  Diabetic foot 1 (0.8) 0 (0.0)
  Neuropathy 8 (6.7) 2 (2.2)

a SD = standard deviation. bχ2=51.19, p=0.02.

Liu et al.

Liu et al. BMC Public Health 2012 12:1043   doi:10.1186/1471-2458-12-1043

Open Data