Table 3

Comparative studies

RegionSample sizeSampling frameFocusFindings
Breast cancer
Abdul Hadi et al 70 (2010)
Penang State, Malaysia65 healthy Indian women aged>15 years, 177 Malay and 121 ChineseTwo shopping mallsDifferences in knowledge/perception of BCIndians have less knowledge about risk factors, symptoms and screening options (subsidised mammography and CBE) compared with Malay and Chinese. Univariate analysis confounded by Indian population being least educated.
Pons-Vigués et al 43 (2012)
Barcelona city, Spain25 Pakistani–Indian women 45–69 years,
275 Spanish women
660 other immigrant groups
Sampled from Census respondentsAdapted HBM based on qualitative pilot study (Pons-Vigues et al 43 (2012))Indian–Pakistani women perceived more barriers to mammography screening than host country women, but fewer than other immigrant groups.
Sim et al (2009)
Singapore80 Indian women, 182 Malay, 700 Chinese, 38 otherVisitors to general hospital (not patients)Knowledge and beliefs about BC and screening practicesNo differences between Indian women and others in either knowledge or having ever attended a screening mammogram.
Teo et al 67 (2013)
Singapore52 locally raised Indian women, 
104 Chinese, 
52 Malay
Female patients and visitors to polyclinic, aged 40–70 yearsNo theoretical modelIndian women less likely to have ever had mammogram compared with majority Chinese, but more likely than Malays. Indian women least likely group to cite cost or potential pain as barriers to attending mammography.
Vahabi et al (2016)
Ontario,
Canada
18 880 South Asian, 85 872 other immigrant groupsGovernment database linkage studyNo theoretical modelLower mammography attendance in previous 2 years than other immigrant groups.
Wu et al 68 (2006)
Michigan,
USA
38 Indian women aged ≥40 years, 
X Chinese, 
X Filipino
Community or religious groups; ethnic student associations, community eventsHBMNo difference in CBE and mammography take up between ethnic groups. Indian women had lower scores on perceived susceptibility and seriousness than Filipino and Chinese controlling income. Indian women more likely to say ‘do not know where to find mammogram’.
Wu et al 69 (2008)
Michigan,
USA
109 Asian Indians aged≥40 years, literateCommunity events, cultural centres, faith-based organisations, Asian health fairsHBMNo group differences.
Cervical cancer
Dunn and Tan55 (2010)
Malaysia96 married Indian women aged 25–65 yearsTwo-stage stratified-cluster random samplingNo theoretical modelEver had Pap test: Indian population least likely to have ever had screening. Indian women who had ever received screening less likely to know its purpose than Malays. Indian women who had never had Pap test were 9% less likely to cite ‘ embarrassed’ as reason for not undergoing testing.
Marlow et al 33 (2015)
England,
UK
120 Indian, 120 Pakistani, 120 Bangladeshi women, 120 white British, 120 Caribbean and 120 AfricanQuota sampling, random sampling within high ethnic concentration postcodesNo theoretical modelIndian, Pakistani and Bangladeshi women less likely to be screened over last 5 years than white British. Less knowledge than white British.
So et al 59 (2017)
Hong Kong161 Indian, Nepali and Pakistani women, 959 Chinese women, 50+ yearsCommunity centres or associations, Chinese sample recruited using random digit diallingNo theoretical modelSA women less likely to have been screened, had fewer tests in previous 6 years, longer time since last test.
  • BC, breast cancer; CC, cervical cancer; FGD, focus group discussions; HBM, health belief model; HCP, healthcare provider or professional; IDI, in-depth interviews; Pap, Papanicolaou; SA, South Asian; SRH, sexual and reproductive health.