Table 3 Odds ratio and meta-analysis of case management and information intervention provision

 Cameron et al. (2013)

1.28 [0.53, 3.09]

–

–

 De Vriendt et al. (2016)

2.89 [0.12, 72.08]

–

–

 Fairhall et al. (2015)

–

0.83 [0.46, 1.53]

1.47 [0.87, 2.47]

 Favela et al. (2013)

0.98 [0.13, 7.26]

–

–

 Favela et al. (2013)

0.49 [0.04, 5.59]

–

–

 Hall et al. (1992)

0.79 [0.36, 1.71]

0.32 [0.12, 0.87]

–

 Kehusmaa et al. (2014)

0.85 [0.39, 1.83]

1.28 [0.79, 2.06]

1.03 [0.77, 1.39]

 Metzelthin et al. (2015)

1.21 [0.53, 2.76]

0.65 [0.20, 2.18]

0.92 [0.55, 1.55]

 Van Hout et al. (2010)

0.86 [0.54, 1.37]

1.12 [0.60, 2.08]

1.23 [0.90, 1.68]

 Van Leeuwen et al. (2015)

1.11 [0.50, 2.48]

–

–

 Van Leeuwen et al. (2015a)

0.88 [0.49, 1.56]

–

–

 Van Leeuwen et al. (2015b)

1.37 [0.75, 2.48]

–

–

 Williams et al. (1987)

–

1.30 [0.33, 5.09]

1.11 [0.51, 2.42]

 Total (95% CI)

0.99 [0.79, 1.25]

0.92 [0.63, 1.32]

1.13 [0.95, 1.35]

 Kono et al. (2013)

0.52 [0.24, 1.13]

1.70 [0.40, 7.23]

–

 Kono et al. (2016)

1.35 [0.69, 2.64]

2.41 [0.61, 9.49]

–

 Monteserin et al. (2010)

0.59 [0.24, 1.43]

0.59 [0.10, 3.56]

–

 Total (95% CI)

0.78 [0.41, 1.45]

1.53 [0.64, 3.65]

–