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Table 1 Comparison of demographic characteristics between LBCa and non-LBC

From: The impact of parental migration on health status and health behaviours among left behind adolescent school children in China

  Total
(N = 2986)
Non-LBC
(N = 2445)
LBC
(N = 541)
p-value
2 test)
Gender (%)     0.075
   Male 51.4 50.7 54.9  
   Female 48.6 49.3 45.1  
Age (year), Mean (SD) 14.2 (1.4) 14.3 (1.5) 13.7 (1.2) < 0.001b
Ethnicity (%)     0.030
   Han 99.4 99.5 98.7  
   Others 0.6 0.5 1.3  
Grade (%)     < 0.001
   Year 1 of junior secondary school 57.8 54.2 74.3  
   Year 2 of junior secondary school 19.5 20.3 15.7  
   Year 1 of senior secondary school 22.7 25.5 10.0  
Boarder in this term (%)     < 0.001
   Yes 12.5 13.7 6.6  
   No 87.5 86.3 93.4  
Father's education (%)     0.786
   Primary school and below 24.7 24.5 25.9  
   Junior secondary school 53.0 53.2 52.0  
   Senior secondary school and above 22.3 22.3 22.1  
Father's occupation (%)     0.008
   Farmer 31.9 33 26.5  
   Non-farmer 68.1 67 73.5  
Mother's education (%)     0.005
   Primary school and below 56.1 57.2 51.0  
   Junior secondary school 34.1 33.7 35.9  
   Senior secondary school and above 9.8 9.1 13.2  
Mother's occupation (%)     < 0.001
   Farmer 47.6 50.2 35.4  
   Non-farmer 52.4 49.8 64.6  
Living with grandparents (%)     0.608
   Yes 25.9 25.7 26.8  
   No 74.1 74.3 73.2  
House type (%)     0.352
   Single-storey house 47.0 49.3 47.4  
   Multi-storey house 53.0 50.7 52.6  
Having computer at home (%)     0.061
   No 68.2 67.4 72.0  
   Yes, but not connected with internet 12.9 13.0 12.7  
   Yes, already connected with internet 18.8 19.6 15.3  
  1. a: LBC: Left Behind Children;
  2. b: t-test;
  3. Totals for all categories may not sum to 2986 due to missing data.