Skip to main content

Table 5 Assessment quality of included trials: randomised trials

From: Lifestyle interventions for overweight and obese pregnant women to improve pregnancy outcome: systematic review and meta-analysis

Author (year)

Population representativeness

Adequacy of sequence generation

Masking/selection bias

Intention to treat

Incomplete outcome data

Loss to follow up

Sample size

Grade of quality

Polley et al. 2002 [32]

Yes

Yes:

No

Not reported

No

Yes

120

Low

Hui et al. (2006) [33]

Yes: from clinic

Exact method not described

No

Not reported

No

Yes

52

Low

Wolff et al., 2008 [30]

Yes

Yes: computer generated

No

Not reported

Yes

Yes

50

Low

Jeffries et al., 2009 [28]

Yes

Yes: Opaque envelope

Yes

Not reported

Yes

Yes

286

Low

Ong et al., 2009 [42]

Yes

Exact method not described

No

Not reported

No

No

12

Low

Barakat et al., 2011 [41]

Yes

Yes

Yes

Yes

Yes

Yes

160

Medium

Asbee et al. 2009 [27]

Yes

Yes

No

Not reported

Yes

No

100

Low

Thornton et al., 2009 [29]

Yes

Yes

Yes

Not reported

Yes

Yes

257

Medium

Guelinckx et al., 2010 [26]

Not reported

Randomised but not reported how

Not reported

Not reported

Yes

Not reported

99

Low

Phelan et al., 2011 [34]

Yes

Yes: Opaque envelope

Yes

Yes

Yes

Yes

401

Medium,

Quinlivan et al., 2011 [59]

Yes

Yes: Opaque envelope

Yes

Yes

Yes

Yes

124

Medium

Luoto et al., 2011 [43]

Yes

Yes

Yes

Yes

Yes

Yes

399

Medium

Nascimento et al., 2011 [44]

Yes

Yes: Opaque envelope

Yes

Yes

Yes

Yes

82

Low