Table 1 Characteristics of the studies included in this meta-analysis
Study | Country | Study design | Sample size | Scale | Statistical model | Effect size | Quality score |
|---|---|---|---|---|---|---|---|
Oddvar Solli 2010 [1] | Norway | Questionnaire survey | 365 | EQ-5D | Multiple logistic regression | OR and 95%CI | 9 |
Jin Ook Chung 2013 [2] | Korea | Questionnaire survey | 401 | Audit of Diabetes Dependent Quality of Life (ADDQoL) | Multiple logistic regression | OR and 95%CI | 7 |
Carlos K H Wong 2013 [5] | China | Questionnaire survey | 1394 | SF-12 | Multiple linear regression | β and 95%CI | 7 |
Aqil Mohammad Daher 2015 [11] | Malaysia | Questionnaire survey | 256 | Audit of Diabetes Dependent Quality of Life (ADDQoL) | Hierarchical multiple linear regression | β and 95%CI | 7 |
Ji-Yan Cong 2012 [12] | China | Questionnaire survey | 174 | Diabetes Specific Quality of Life (DSQL) | Multiple logistic regression | OR and 95%CI | 8 |
Aldona 2013 [13] | Lithuania | Questionnaire survey | 1022 | SF-36 | Multiple logistic regression | OR and 95%CI | 8 |
Pan 2013 [14] | China | Questionnaire survey | 158 | patients with Type 2 Diabetes Mellitus Quality of Life Scale (DMQLS) | Multiple logistic regression | OR and 95%CI | 6 |
Anne Neumann 2014 [15] | Sweden | Questionnaire survey | 43,586 | SF-36 | Beta regression | Coefficient and 95%CI | 6 |
Maria Donald 2013 [16] | Australia | Questionnaire survey | 3609 | Audit of Diabetes Dependent Quality of Life (ADDQoL) | Multiple linear regression | β and 95%CI | 7 |
Ayman 2014 [17] | Saudi Arabia | Questionnaire survey | 283 | SF-36 | Multiple linear regression | β and 95%CI | 6 |
Fuyong Hu 2015 [18] | China | Questionnaire survey | 436 | SF-36 | Multiple logistic regression | OR and 95%CI | 7 |
Liu 2009 [19] | China | Questionnaire survey | 130 | Diabetes Specific Quality of Life (DSQL) | Multiple logistic regression | OR and 95%CI | 7 |
Zu 2015 [20] | China | Questionnaire survey | 2741 | SF-36 | Multiple logistic regression | OR and 95%CI | 7 |
Xie 2008 [21] | China | Questionnaire survey | 217 | Diabetes Specific Quality of Life (DSQL) | Multiple logistic regression | OR and 95%CI | 6 |
Farzana Saleh 2015 | Bangladesh | Questionnaire survey | 500 | EQ-5D | Multiple linear regression | β and 95%CI | 6 |
W. Ken Redekop 2002 [22] | Netherlands | Questionnaire survey | 1136 | EQ-5D | Multiple logistic regression | OR and 95%CI | 7 |
Nelda Mier 2008 [23] | United States of America | Questionnaire survey | 399 | SF-8 | Multiple logistic regression | OR and 95%CI | 9 |
Rebekah J. Walker 2015 [24] | United States of America | Questionnaire survey | 302 | SF-12 V | Multiple linear regression | β and 95%CI | 6 |