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Table 2 Descriptive characteristics of the total sample and the Internet use group before matching

From: Does internet use affect levels of depression among older adults in China? A propensity score matching approach

VariablesTotal sample (N = 7779)Not Internet users group (N = 7273)Internet users group (N = 506)Between not internet users and internet users groups
MeanSDMeanSDMeanSDΔMeantp
Depression level15.6605.33315.8115.36813.4684.2272.343***9.647.000
Age68.1816.61568.3596.66965.6005.1342.759***9.069.000
Physical health3.5871.1853.6011.1963.3810.988.220***4.032.000
Life satisfaction3.8581.0583.8651.0623.765.990.100*2.098.036
Intelligence level5.1481.3785.0931.3845.947.993−0.854***−13.560.000
 PercentPercentPercentΔPercentχ2p
=0=1=0=1=0=1=1
Gender49.9950.0150.7949.2138.5461.46−12.25***28.41.000
Urban or Rural53.1646.8456.0743.9311.2688.74−44.81***381.42.000
Marital status17.4782.5317.9882.0210.0889.53−7.51***20.51.000
Living condition93.516.4993.416.5994.865.141.451.63.201
Pensions80.3619.6482.7917.2145.4554.55−37.34***417.69.000
Education background***1200.000
  1. (1) SD standard deviation. (2) * p < .05, ** p < .01, *** p < .001