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Literature review for - Flourish Paediatrics

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Studies used to make evidence statement <strong>for</strong> association of smoking and breastfeeding<br />

Reference<br />

Type of study<br />

Level of evidence<br />

Definition of<br />

breastfeeding<br />

Intervention/<br />

comparator<br />

N<br />

Amir and Donath Birth;<br />

2002 29: 112-123<br />

Systematic <strong>review</strong> of<br />

observational studies<br />

I (aetiology) Not all studies<br />

were prospective cohort<br />

studies<br />

Intention to breastfeed<br />

Initiation of breastfeeding<br />

Any breastfeeding duration<br />

Horta et al AM J Public<br />

Health 2001: 91: 304-307<br />

Baghurst P, Pincombe J,<br />

Peat B, Henderson A,<br />

Reddin E & Antoniou G<br />

Midwifery 2007; 23: 382-<br />

391.<br />

Britten J, Tappin DM &<br />

Elton RA Health Bulletin<br />

2001; 59: 29-36.<br />

Systematic <strong>review</strong> Prospective cohort Prospective cohort<br />

(5 points of data collection<br />

from maternity booking to<br />

6 weeks postpartum)<br />

I (aetiology) II (aetiology) II (aetiology)<br />

Cessation of BF be<strong>for</strong>e 3<br />

months<br />

Fully breastfeeding<br />

(breastmilk only)<br />

Partly breastfeeding (<strong>for</strong>mula<br />

and/ or solids and breastmilk)<br />

Maternal smoking Smoker vs non-smoker (ref) Maternal smoking status yes/<br />

yes but quit during this<br />

pregnancy vs no (reference)<br />

6 studies investigated<br />

intention to breastfeed<br />

8 studies which used<br />

multivariate analysis<br />

investigated breastfeeding<br />

initiation<br />

13 studies provided data <strong>for</strong> a<br />

pooled effects analysis<br />

No definition<br />

Yes vs no (reference)<br />

317 1792 recruited at maternity<br />

booking (gradual decline<br />

in participation rates over<br />

time)<br />

11 studies investigated an<br />

association between<br />

smoking status and<br />

301

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