The effects of psychological interventions on depression and anxiety among Chinese adults with cancer: a meta-analysis of randomized controlled studies

Yang, Yi-Long; Sui, Guo-Yuan; Liu, Guang-Cong; Huang, De-Sheng; Wang, Si-Meng; Wang, Lie

doi:10.1186/1471-2407-14-956

Table 2 Assessment of study quality

From: The effects of psychological interventions on depression and anxiety among Chinese adults with cancer: a meta-analysis of randomized controlled studies

Studies	Quality Indicators from the modified Jadad scale					Total score
	A	B	C	D	E
Wang et al. 2000 [39]	1	0	0	0	0	1
Zhao et al. 2000 [153]	1	0	0	1	1	3
Cai et al. 2001 [144]	1	0	0	0	1	2
Yang et al. 2002 [42]	1	1	0	1	0	3
Guan et al. 2002 [123]	1	0	0	0	1	2
Li et al. 2002 [76]	1	−1	0	1	1	2
Lian et al. 2003 [44]	1	0	0	1	1	3
Wu & Wang 2003 [148]	1	1	0	1	1	4
Zhong et al. 2003 [38]	1	0	0	0	1	2
Lou et al. 2003 [101]	1	−1	0	1	1	2
Xu 2004 [115]	1	0	0	0	1	2
Wang 2004 [93]	1	0	0	0	0	1
Bu et al. 2005 [155]	1	1	1	1	1	5
Lou et al. 2005 [164]	1	−1	0	0	1	1
Liu et al. 2006 [143]	1	0	1	0	1	3
Cheng et al. 2006 [107]	1	0	0	0	0	1
Wang et al. 2006 [75]	1	0	1	1	0	3
Ni et al. 2007 [165]	1	0	0	0	1	2
Pang & Wang 2007 [166]	1	0	0	0	1	2
Qian & Cai 2007 [50]	1	1	0	1	1	4
Wen & Liang 2007 [69]	1	0	0	1	0	2
Kang 2007 [128]	1	0	0	0	0	1
Zheng et al. 2007 [109]	1	0	0	1	1	3
Deng et al. 2007 [110]	1	0	0	1	1	3
Xing 2007 [103]	1	0	0	1	1	3
Wu et al. 2007 [59]	1	0	0	1	1	3
Xu 2007 [88]	1	0	0	1	0	2
Han & Liu 2007 [151]	1	−1	0	0	1	1
Huang et al. 2008 [54]	1	0	0	1	0	2
Zheng et al. 2008 [116]	1	0	0	1	1	3
Yang 2008 [79]	1	1	0	1	0	3
Han 2008 [160]	1	0	0	0	1	2
Jiang et al. 2008 [161]	1	0	0	1	1	3
Li et al. 2008 [163]	1	0	0	0	1	2
Wang et al. 2008 [169]	1	0	0	1	1	3
Ji 2008 [106]	1	−1	0	0	1	1
Jin & Zhu 2008 [122]	1	0	0	0	0	1
Li et al. 2008 [99]	1	0	0	0	1	2
Liu et al. 2008 [52]	1	1	0	0	1	3
Yang 2008 [136]	1	1	0	1	1	4
Zhou 2008 [100]	1	0	0	0	0	1
Mao et al. 2008 [113]	1	1	0	0	1	3
Liu 2008 [132]	1	1	0	1	1	4
Zheng et al. 2008 [125]	1	0	0	1	1	3
Chen et al. 2009 [156]	1	0	0	0	1	2
Li 2009 [89]	1	0	0	0	1	2
Li et al. 2009 [78]	1	0	0	1	1	3
Fu et al. 2009 [145]	1	−1	0	0	1	1
Qiu 2009 [133]	1	0	0	1	1	3
Sun 2009 [134]	1	0	0	1	1	3
Xia 2009 [118]	1	−1	0	1	1	2
Zhang 2009 [139]	1	1	1	1	1	5
Zhou 2009 [140]	1	0	0	1	1	3
Li et al. 2009 [63]	1	−1	0	0	1	1
Geng et al. 2010 [104]	1	0	1	1	1	4
Zhan & Cheng 2010 [105]	1	1	0	1	1	4
Cheng et al. 2010 [45]	1	0	0	1	1	3
Li et al. 2010 [91]	1	1	0	0	1	3
Guan et al. 2010 [81]	1	0	0	1	1	3
Li 2010 [111]	1	−1	0	1	1	2
Zhang 2010 [138]	1	1	1	1	1	5
Su & Wang 2010 [167]	1	1	1	1	1	5
Fu et al. 2010 [159]	1	0	0	0	1	2
Wu & Zhang 2010 [170]	1	0	0	0	1	2
Zhou 2010 [176]	1	−1	0	0	1	1
You et al. 2010 [171]	1	0	0	1	1	3
Ren et al. 2010 [154]	1	1	0	1	1	4
Xu 2010 [40]	1	0	0	1	1	3
Guo et al. 2010 [71]	1	0	1	1	1	4
Tang et al. 2010 [126]	1	−1	0	1	1	2
Liu et al. 2010 [46]	1	0	0	0	1	2
Shi et al. 2010 [108]	1	0	0	1	1	3
Liu et al. 2010 [87]	1	1	0	1	1	4
Wang 2010 [90]	1	−1	0	1	1	2
Huang et al. 2010 [86]	1	0	0	0	1	2
Zhang & Yu 2011 [94]	1	−1	0	0	0	0
Du et al. 2011 [61]	1	0	0	1	1	3
Li et al. 2011 [149]	1	1	0	1	1	4
Zhou et al. 2011 [180]	1	1	1	1	1	5
Liu 2011 [131]	1	0	0	1	1	3
Shen et al. 2011 [64]	1	0	1	1	1	4
Zhu et al. 2011 [65]	1	−1	0	1	1	2
Meng et al. 2011 [95]	1	0	0	0	1	2
Dai et al. 2011 [157]	1	−1	0	1	1	2
Jiao et al. 2011 [162]	1	1	0	0	1	3
Ye 2011 [56]	1	0	0	0	1	2
Li2011 [130]	1	1	0	1	1	4
Liu et al. 2011 [41]	1	0	0	1	1	3
Wang et al. 2011 [37]	1	−1	1	1	0	2
Cao 2011 [173]	1	−1	0	1	1	2
Zhao & Zhang 2011 [174]	1	0	0	1	1	3
Cao & Li 2011 [67]	1	0	0	1	1	3
Huang et al. 2011 [152]	1	0	0	0	1	2
Hu & Yan 2011 [62]	1	1	1	1	1	5
Guan & Jin 2011 [120]	1	1	0	1	1	4
Lv et al. 2011 [77]	1	−1	0	0	1	1
Li et al. 2011 [182]	1	1	1	1	1	5
Cao & Jiang 2011 [177]	1	0	0	1	1	3
Huang 2011 [102]	1	0	0	1	1	3
Zheng et al. 2011 [141]	1	1	0	1	1	4
Wu & Dong 2011 [47]	1	0	0	1	1	3
Zheng et al. 2012 [150]	1	0	0	1	0	2
Wang & Xiao 2012 [124]	1	0	0	1	1	3
Wei 2012 [135]	1	0	0	1	0	2
Feng 2012 [55]	1	−1	0	0	1	1
Yang et al. 2012 [73]	1	0	0	1	1	3
Zhao et al. 2012 [84]	1	0	0	1	1	3
Gu 2012 [121]	1	0	0	1	1	3
Zheng 2012 [58]	1	−1	0	1	1	2
Yang 2012 [66]	1	0	0	1	1	3
Sun et al. 2012 [60]	1	0	0	1	1	3
Liu et al. 2012 [98]	1	0	0	1	1	3
Yang et al. 2012 [70]	1	0	0	1	1	3
Li 2012 [129]	1	0	1	1	1	4
Zhu & Hu 2012 [68]	1	1	0	1	1	4
Liu 2012 [48]	1	1	0	1	1	4
Shi et al. 2012 [92]	1	1	0	0	1	3
Jia 2012 [127]	1	0	0	1	0	2
Zhang 2012 [97]	1	0	0	0	1	2
Chen 2012 [51]	1	0	0	1	1	3
Li et al. 2012 [146]	1	1	0	0	1	3
Yang & Wang 2012 [83]	1	0	0	1	1	3
Jiang et al. 2012 [49]	1	−1	0	1	1	2
Fan & Pan 2012 [158]	1	−1	0	0	1	1
Li et al. 2012 [72]	1	0	0	1	1	3
Han et al. 2012 [85]	1	0	0	1	1	3
Zheng et al. 2012 [175]	1	0	0	0	1	2
Yuan & Wu 2013 [147]	1	0	0	1	1	3
Zhu et al. 2013 [36]	1	−1	0	1	1	2
Du 2013 [74]	1	0	0	0	0	1
Mu et al. 2012 [178]	1	0	0	0	1	2
Liu & Gan 2013 [43]	1	−1	0	1	1	2
Zhang 2013 [96]	1	0	0	1	1	3
Zhang et al. 2013 [142]	1	1	0	0	1	3
Guo et al. 2013 [179]	1	1	1	1	1	5
Liu 2013 [119]	1	0	0	0	1	2
Zhai et al. 2013 [82]	1	0	0	1	1	3
Ci et al. 2013 [117]	1	0	0	0	1	2
Liu 2013 [112]	1	0	0	0	0	1
Liu et al. 2013 [57]	1	0	0	1	1	3
Qiu et al. 2013 [181]	1	1	1	1	1	5
Mao et al. 2013 [80]	1	0	0	1	1	3
Zhang 2013 [114]	1	0	0	1	1	3
Yu 2013 [137]	1	0	0	1	1	3
Wang 2013 [53]	1	0	0	0	1	2
Tian et al. 2013 [168]	1	0	1	1	1	4
Yu 2013 [172]	1	−1	0	0	1	1

Note: The modified Jadad scale is an eight-item scale. Considering the characteristic and effect of psychological interventions, blinding (2 points) and adverse effects (1 point) were excluded.
Abbreviations: A represents “Was the study described as randomized?” (1: Yes; 0: No); B represents “Was the method of randomization appropriate?” (1: Yes; 0: Not described; −1: No); C represents “Was there a description of withdrawals and dropouts?” (1: Yes; 0: No); D represents “Was there a clear description of the inclusion/exclusion criteria?” (1: Yes; 0: No); E represents “Was the methods of statistical analysis described?” (1: Yes; 0: No).

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