Table 1 Frequency of keywords in title or abstract: primary studies

Bhatt (2011)* [35] (a)

x

x

Carpenter et al. (2007)* [36] (a)

x

x

Chaloupka & Laixuthai (1997) [37] (a)

x

x

Chatterji (2001) [38]

x

x

Cowan (2011) [39] (a)

x

Dee (1999b) [40] (a)

x

x

Dee (1999c) [41] (a)

x

Dee & Evans (2003) [42] (a)

x

Grossman (2005) [43]

x

x

Laixuthai & Chaloupka (1993)* [44] (a)

x

x

x

Markowitz (2001) [45] (a)

x

x

Medina (2011) [46]*

x

x

Nair (2001) [47]

x

x

Nelson (2008)* [48] (a)

x

x

Renna (2007) [49] (a)

x

x

Saffer & Dave (2006)* [50] (a)

x

x

Xuan et al. (2013)* [51] (a)

x

x

Bray (2000) [52]

x

Bray (2005) [53] (a)

x

Chaloupka & Wechsler (1996)* [54] (a)

x

x

Cook & Moore (1994) [55] (a)

x

x

Cook & Moore (2001) [56]

x

x

Cowell (2006) [57] (a)

x

French & Maclean (2006) [58] (a)

x

Gius (2003)* [59] (a)

x

x

Grossman et al. (1987) [60]

x

x

Keng (1998)* [61]

x

x

x

Keng & Huffman (2007)* [62] (a)

x

x

Kenkel (1993) [63] (a)

x

x

Nelson (2008)* [48] (a)

x

x

Powell et al. (2002) [64]

x

Rhoads (2010)*

x

x

x

Sutton & Godfrey (1995)* [65] (a), UK

x

x

Wechsler et al. (2000)* [66] (a)

x

x

Weitzman et al. (2003)* [67] (a)

x

x

Williams et al. (2005)* [68] (a)

x

x

Wolaver (2007) [69] (a)

x

x

Wolaver et al. (2007a) [70]

x

x

Wolaver et al. (2007b) [71]

x

x

Asgeirsdottir (2012)* [72], Iceland

x

x

Ayyagari et al. (2013)* [29] (a)

x

x

x

Blumberg (1992) [73]

x

x

Byrnes et al. (2013) [74] (a), Australia

x

x

Cook (2007) [75]

x

x

Davalos et al. (2012) [76] (a)

x

Dee (1999a) [41]

x

Gius (2002)* (a) [77]

x

x

Kenkel (1993) [63] (a)

x

x

Kenkel (1996)* [78] (a)

x

x

Ludbrook et al. (2012)* [79] (a), UK

x

x

Manning et al. (1995)* [31] (a)

x

x

McLellan (2011)* [80]

x

x

x

x

Nelson (2008)* [48] (a)

x

x

Popovici & French (2013) [81] (a)

x

Rhoads (2010)*

x

x

x

Sloan et al. (1995)* [82] (a)

x

x

Stout et al. (2000)* [83] (a)

x

x

Terza (2002) [84] (a)

x

Zhang (2010)* [85] (a)

x

x

Chung (2013)* [86] (a), Hong Kong

x

x

Clapp et al. (2003) [87] (a)

x

Gmel (2008) [88] (a), Switzerland

x

Gustafsson (2010) [89] (a), Sweden

x

Heeb (2003)* [90] (a), Switzerland

x

x

x

Helakorpi (2010)* [91] (a), Finland

x

x

Jamison & Myers (2008)* [92] (a), UK

x

x

Kuo (2003) [93] (a), Switzerland

x

x

O’Mara et al. (2009)* [94] (a)

x

x

Stockwell et al. (1993) [95] (a), Aus

x

x

Thombs et al. (2008) [96] (a)

x

Thombs et al. (2009) [97] (a)

x

Wagoner et al. (2012) [98] (a)

x

72 entries – Total checks

29

24

2

27

26

15

11