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Helicobacter pylori in Melbourne Chinese immigrants: evidence for oral-oral transmission via chopsticks

Chow TK, Lambert JR, Wahlqvist ML, Hsu-Hage BH

J Gastroenterol Hepatol, 1995 9 1;10(5):562-9.
PMID: 8963032

The Helicobacter pylori seroprevalence in a representative population of 328 Melbourne Chinese immigrants (162 men and 166 women) aged 25 years and older were studied. The population consisted of Chinese people born in China/Hong Kong (n = 110, 33.5%), Vietnam (n = 79, 24.1%), Malaysia/Singapore (n = 102, 31.1%), and elsewhere (n = 37, 11.3%). The overall seroprevalence of H. pylori was 59.5%; 60.5% in men and 58.4% in women. Gender specific analysis showed associations between higher seroprevalence and several socio-demographic factors; in men, age (P < 0.0001), lower education level (P < 0.002), cigarette smoking (P < 0.042), the use of antibiotics (P < 0.015) and chopsticks (P < 0.047), and in women, lower socioeconomical status [education level (P < 0.030), gross household income (P < 0.0001) and occupational status (P < 0.0001)] and use of chopsticks (P < 0.002). Seroprevalence differed between immigrants of various birthplaces (P < 0.001); those born in Malaysia/Singapore (43.1%) were lower than those born in China/Hong Kong (68.2%), Vietnam (68.4%), and elsewhere (59.5%). Immigrants of various birthplaces also differed in their pattern of socio-demographics. Multivariate analyses showed that risk factors for H. pylori infection within the Melbourne Chinese immigrants were, in men, age (B = 1.081) and birthplace (B = 1.769) and, in women, household income (B = 0.541) and use of chopsticks (B = 1.654). This study suggests person-to-person transmission of H. pylori via the oral-oral route with ethno-specific food practices an important risk factor.

Matched MeSH terms: Australia/ethnology
The NurseLink model of care

Nugent J

Contemp Nurse, 2003 Aug;15(1-2):110-3.
PMID: 14649514
Matched MeSH terms: Australia/ethnology
Fulltext DSM-IV "criterion A" schizophrenia symptoms across ethnically different populations: evidence for differing psychotic symptom content or structural organization?

McLean D, Thara R, John S, Barrett R, Loa P, McGrath J, et al.

Cult Med Psychiatry, 2014 Sep;38(3):408-26.
PMID: 24981830 DOI: 10.1007/s11013-014-9385-8

There is significant variation in the expression of schizophrenia across ethnically different populations, and the optimal structural and diagnostic representation of schizophrenia are contested. We contrasted both lifetime frequencies of DSM-IV criterion A (the core symptom criterion of the internationally recognized DSM classification system) symptoms and types/content of delusions and hallucinations in transethnic schizophrenia populations from Australia (n = 776), India (n = 504) and Sarawak, Malaysia (n = 259), to elucidate clinical heterogeneity. Differences in both criterion A symptom composition and symptom content were apparent. Indian individuals with schizophrenia reported negative symptoms more frequently than other sites, whereas individuals from Sarawak reported disorganized symptoms more frequently. Delusions of control and thought broadcast, insertion, or withdrawal were less frequent in Sarawak than Australia. Curiously, a subgroup of 20 Indian individuals with schizophrenia reported no lifetime delusions or hallucinations. These findings potentially challenge the long-held view in psychiatry that schizophrenia is fundamentally similar across cultural groups, with differences in only the content of psychotic symptoms, but equivalence in structural form.

Matched MeSH terms: Australia/ethnology
Fulltext Acquisition of HIV by African-born residents of Victoria, Australia: insights from molecular epidemiology

Lemoh C, Ryan CE, Sekawi Z, Hearps AC, Aleksic E, Chibo D, et al.

PLoS One, 2013;8(12):e84008.
PMID: 24391866 DOI: 10.1371/journal.pone.0084008

African-born Australians are a recognised "priority population" in Australia's Sixth National HIV/AIDS Strategy. We compared exposure location and route for African-born people living with HIV (PLHIV) in Victoria, Australia, with HIV-1 pol subtype from drug resistance assays and geographical origin suggested by phylogenetic analysis of env gene. Twenty adult HIV positive African-born Victorian residents were recruited via treating doctors. HIV exposure details were obtained from interviews and case notes. Viral RNA was extracted from participant stored plasma or whole blood. The env V3 region was sequenced and compared to globally representative reference HIV-1 sequences in the Los Alamos National Library HIV Database. Twelve participants reported exposure via heterosexual sex and two via iatrogenic blood exposures; four were men having sex with men (MSM); two were exposed via unknown routes. Eight participants reported exposure in their countries of birth, seven in Australia, three in other countries and two in unknown locations. Genotype results (pol) were available for ten participants. HIV env amplification was successful in eighteen cases. HIV-1 subtype was identified in all participants: eight both pol and env; ten env alone and two pol alone. Twelve were subtype C, four subtype B, three subtype A and one subtype CRF02_AG. Reported exposure location was consistent with the phylogenetic clustering of env sequences. African Australians are members of multiple transnational social and sexual networks influencing their exposure to HIV. Phylogenetic analysis may complement traditional surveillance to discern patterns of HIV exposure, providing focus for HIV prevention programs in mobile populations.

Matched MeSH terms: Australia/ethnology
Enterovirus 71 infection in Australian expatriate children following an outbreak in Malaysia

Craig ME, Vale T, Robertson P, Rawlinson WD, Gould B

J Paediatr Child Health, 1999 Feb;35(1):107-8.
PMID: 10234649
Matched MeSH terms: Australia/ethnology
Oral healthy conditions in Cocos (Keeling) and Christmas Islands children

Riordan PJ, Panaeff C

Community Dent Oral Epidemiol, 1996 Feb;24(1):85-6.
PMID: 8833521
Matched MeSH terms: Australia/ethnology
Experience of menopause in aboriginal women: a systematic review

Chadha N, Chadha V, Ross S, Sydora BC

Climacteric, 2016;19(1):17-26.
PMID: 26653073 DOI: 10.3109/13697137.2015.1119112

Every woman experiences the menopause transition period in a very individual way. Menopause symptoms and management are greatly influenced by socioeconomic status in addition to genetic background and medical history. Because of their very unique cultural heritage and often holistic view of health and well-being, menopause symptoms and management might differ greatly in aboriginals compared to non-aboriginals. Our aim was to investigate the extent and scope of the current literature in describing the menopause experience of aboriginal women. Our systematic literature review included nine health-related databases using the keywords 'menopause' and 'climacteric symptoms' in combination with various keywords describing aboriginal populations. Data were collected from selected articles and descriptive analysis was applied. Twenty-eight relevant articles were included in our analysis. These articles represent data from 12 countries and aboriginal groups from at least eight distinctive geographical regions. Knowledge of menopause and symptom experience vary greatly among study groups. The average age of menopause onset appears earlier in most aboriginal groups, often attributed to malnutrition and a harsher lifestyle. This literature review highlights a need for further research of the menopause transition period among aboriginal women to fully explore understanding and treatment of menopause symptoms and ultimately advance an important dialogue about women's health care.

Matched MeSH terms: Australia/ethnology
A decade on: Follow-up findings of indigenous children with bronchiectasis

McCallum GB, Singleton RJ, Redding GJ, Grimwood K, Byrnes CA, Valery PC, et al.

Pediatr Pulmonol, 2020 04;55(4):975-985.
PMID: 32096916 DOI: 10.1002/ppul.24696

OBJECTIVE: The sole prospective longitudinal study of children with either chronic suppurative lung disease (CSLD) or bronchiectasis published in the current era was limited to a single center. We sought to extend this study by evaluating the longer-term clinical and lung function outcomes and their associated risk factors in Indigenous children of adolescents from Australia, Alaska, and New Zealand who participated in our previous CSLD or bronchiectasis studies during 2004-2010.
METHODS: Between 2015 and 2018, we evaluated 131 out of 180 (72.8%) children of adolescents from the original studies at a single follow-up visit. We administered standardized questionnaires, reviewed medical records, undertook clinical examinations, performed spirometry, and scored available chest computed tomography scans.
RESULTS: Participants were seen at a mean age of 12.3 years (standard deviation: 2.6) and a median of 9.0 years (range: 5.0-13.0) after their original recruitment. With increasing age, rates of acute lower respiratory infections (ALRI) declined, while lung function was mostly within population norms (median forced expiry volume in one-second = 90% predicted, interquartile range [IQR]: 81-105; forced vital capacity [FVC] = 98% predicted, IQR: 85-114). However, 43 out of 111 (38.7%) reported chronic cough episodes. Their overall global rating judged by symptoms, including ALRI frequency, examination findings, and spirometry was well (20.3%), stable (43.9%), or improved (35.8%). Multivariable regression identified household tobacco exposure and age at first ALRI-episode as independent risk factors associated with lower FVC% predicted values.
CONCLUSION: Under our clinical care, the respiratory outcomes in late childhood or early adolescence are encouraging for these patient populations at high-risk of premature mortality. Prospective studies to further inform management throughout the life course into adulthood are now needed.

Matched MeSH terms: Australia/ethnology