Additional file 1: of Combining PPI with qualitative research to engage ‘harder-to-reach’ populations: service user groups as co-applicants on a platform study for a trial

Socio-demographic, smoking and breastfeeding experience characteristics form. (PDF 187 kb

Focus groups – mothers.

<p>N/A = not applicable; N/R = not recorded.</p>1<p>T relates to a telephone interview; no letter refers to a face to face interview.</p>2<p>Mother relates to those who have older children (who may/may not be currently pregnant); mother* relates to women who have older children and who are pregnant; Woman relates to those who are pregnant/expecting first child.</p>3<p>1 – Participant married/living together/in a relationship; 2 – Single/divorced.</p>4<p>1 - White; 2 - Black or Minority Ethnic classifications (BME).</p>5<p>1- Degree level qualification; 2 - A level or equivalent; 3 - GCSE/NVQ or equivalent; 4 - No formal qualifications; 5- Not recorded.</p>6<p>1 – Never smoked; 2 – Quit during pregnancy; 3 – Cut down during pregnancy; 4 – Quit prior to pregnancy; 5 – Currently smoking.</p>7<p>Code relates to women who are currently pregnant: 1 – Plan to breastfed; 2 – Plan to mixed feed; 3 – Plan to formula feed.</p>8<p>Code relates to families with older children/interviewed in post-natal period: 1 – Previous experience of breastfeeding; 2 – Never breastfed.</p>9<p>‘Other’ relates to those involved in Barnardo’s Early Years Early Action Fund; <a href="http://www.barnardos.org.uk/media_centre/press_releases.htm?ref=81644" target="_blank">http://www.barnardos.org.uk/media_centre/press_releases.htm?ref=81644</a>).</p><p>**Providers also took part in FG5, FG7 & FG8.</p><p>Focus groups – mothers.</p

Interviews - mothers/partners/other family members.

<p>N/A = not applicable; N/R = not recorded.</p>1<p>T relates to a telephone interview; no letter refers to a face to face interview.</p>2<p>Mother/father relates to those who have older children (who may/may not be currently pregnant); mother* relates to women who have older children and who are pregnant; Woman/man relates to those who are pregnant/expecting first child.</p>3<p>1 - Participant married/living together/in a relationship; 2– Single/divorced.</p>4<p>1 - White; 2 - Black or Minority Ethnic classifications (BME).</p>5<p>1- Degree level qualification; 2 - A level or equivalent; 3 - GCSE/NVQ or equivalent; 4 - No formal qualifications; 5- Not recorded.</p>6<p>1 – Never smoked; 2 – Quit during pregnancy; 3 – Cut down during pregnancy; 4 – Quit prior to pregnancy; 5 – Currently smoking.</p>7<p>Code relates to women who are currently pregnant: 1 – Plan to breastfed; 2 – Plan to mixed feed; 3 – Plan to formula feed.</p>8<p>Code relates to families with older children/interviewed in post-natal period: 1 – Previous experience of breastfeeding; 2 – Never breastfed.</p>9<p>SC – experience of smoking cessation incentive intervention; BF – experience of breastfeeding incentive intervention; ‘Other’ relates to those involved in Barnardo’s Early Years Early Action Fund; <a href="http://www.barnardos.org.uk/media_centre/press_releases.htm?ref=81644" target="_blank">http://www.barnardos.org.uk/media_centre/press_releases.htm?ref=81644</a>).</p>10<p>Mothers participated in an ante-natal and post-natal interview.</p><p>Interviews - mothers/partners/other family members.</p

Interviews – providers/experts¹.

1<p>Nine CPIT providers/experts took part in an interview; two experts were involved in a voucher incentive intervention for smoking cessation.</p>2<p> T relates to a telephone interview; no letter refers to a face to face interview.</p><p>Interviews – providers/experts<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0111322#nt126" target="_blank">¹</a>.</p

Overview of recruitment sites.

<p>Overview of recruitment sites.</p

Intervention vignettes.

<p>Intervention vignettes.</p

Response rates to free text questions in the professional survey (n = 497).

<p>Response rates to free text questions in the professional survey (n = 497).</p

Characteristics of the maternity and early years health professional sample (n = 497).

<p>Characteristics of the maternity and early years health professional sample (n = 497).</p

Key emergent themes for unintended consequences of incentives.

<p>Key emergent themes for unintended consequences of incentives.</p

Study participants.

a<p>A total of 16 focus groups were conducted. At three focus groups with women/recent parents a provider was present and three focus groups were a mixture of providers and experts. Two women attended two different focus groups; as did two experts (they are counted once only).</p>b<p>Two pregnant women were involved in a follow-up postnatal interview (one of which had an older child at the time of the first interview).</p><p>Study participants.</p