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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
  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.
  2. 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).