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Table 1 Demographic characters

From: Does health insurance impact health service utilization among older adults in urban China? A nationwide cross-sectional study

  2008 2013
Uninsured URBMI Uninsured URBMI
N (individual) 1288 815 724 6819
Household size 3.1 3.0 2.9 3.1
Sex #
 Men 448 (34.8%) 255 (31.3%) 279 (38.5%) 2429 (35.6%)
 Women 840 (65.2%) 560 (68.7%) 445 (61.5%) 4390 (64.4%)
Age group## ** ** ** **
 60–69 538 (41.8%) 356 (43.7%) 321 (44.3%) 3943 (57.8%)
 70–79 457 (35.5%) 322 (39.5%) 233 (32.2%) 2015 (29.5%)
 80+ 293 (22.7%) 137 (16.8%) 170 (23.5%) 861 (12.6%)
Marital status††##    ** **
 Single or widowed 562 (43.6%) 319 (39.1%) 233 (32.2%) 1827 (26.8%)
 Married 721 (56.0%) 490 (60.1%) 488 (67.4%) 4983 (73.1%)
 Others 5 (0.4%) 6 (0.7%) 3 (0.4%) 9 (0.1%)
Highest education††## ** ** ** **
 None and primary 1009 (78.4%) 600 (73.7%) 430 (59.4%) 4539 (66.6%)
 Secondary 267 (20.7%) 194 (23.8%) 231 (31.9%) 2147 (31.5%)
 College and above 11 (0.9%) 20 (2.5%) 63 (8.7%) 133 (2.0%)
Per capita annual income (CNY, mean) ††## 6296** 8352** 14,151** 12,260**
Per capita annual income (CNY, median) 5000 7200 11,064 10,213
EQ-5D 0.867 0.874 0.881 0.889
Difficulty in self-care in the past month 254 (19.7%) 150 (18.4%) 109 (15.1%) 864 (12.7%)
Income resource††## ** ** ** **
 Own 608 (47.2%) 460 (56.4%) 448 (61.9%) 4653 (68.2%)
 Others 680 (52.8%) 355 (43.6%) 276 (38.1%) 2166 (31.8%)
  1. * Significant difference between uninsured and URBMI; * for P < 0.05, ** for P < 0.01
  2. †Significant difference for uninsured between 2008 and 2013, † for P < 0.05, †† for P < 0.01
  3. #Significant difference for URBMI between 2008 and 2013, # for P < 0.05, ## for P < 0.01