The menopause symptom profile of Maori and non-Maori women in New Zealand

Lawton, Beverley; Rose, Sally B.; Cormack, Donna; Stanley, James; Dowell, Anthony

doi:10.1080/13697130802351094

Cited by 12 publications

(10 citation statements)

References 14 publications

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“…However the evidence to support differences in the timing of menarche and menopause between Māori and non-Māori women is inconclusive and any differences in timing are small [24,40,44]. The prevalence of other postulated breast cancer risk factors such as shift work [45], exposure to particular environmental pollutants [46], or Vitamin D levels [47] may differ between ethnic groups but is unlikely to explain the large differences identified here.…”

Section: Discussionmentioning

confidence: 99%

“…Māori women tend to start having children younger and have more children compared to European women [37]. Māori women have lower rates of HT use [40], and similar rates of oral contraceptive use, alcohol consumption and physical activity compared to European women [38,41]. Screening is not contributing to the higher incidence seen, as Māori women have lower uptake of screening [42].…”

Section: Discussionmentioning

confidence: 99%

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Ethnic and socioeconomic trends in breast cancer incidence in New Zealand

et al. 2010

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BackgroundBreast cancer incidence varies between social groups, but differences have not been thoroughly examined in New Zealand. The objectives of this study are to determine whether trends in breast cancer incidence varied by ethnicity and socioeconomic position between 1981 and 2004 in New Zealand, and to assess possible risk factor explanations.MethodsFive cohorts of the entire New Zealand population for 1981-86, 1986-1991, 1991-1996, 1996-2001, and 2001-2004 were created, and probabilistically linked to cancer registry records, allowing direct determination of ethnic and socioeconomic trends in breast cancer incidence.ResultsBreast cancer rates increased across all ethnic and socioeconomic groups between 1981 and 2004. Māori women consistently had the highest age standardised rates, and the difference between Māori and European/Other women increased from 7% in 1981-6 to 24% in 2001-4. Pacific and Asian women had consistently lower rates of breast cancer than European/Other women over the time period studied (12% and 28% lower respectively when pooled over time), although young Pacific women had slightly higher incidence rates than young European/other women. A gradient between high and low income women was evident, with high income women having breast cancer rates approximately 10% higher and this difference did not change significantly over time.ConclusionsDifferences in breast cancer incidence between European and Pacific women and between socioeconomic groups are explicable in terms of known risk factors. However no straightforward explanation for the relatively high incidence amongst Māori is apparent. Further research to explore high Māori breast cancer rates may contribute to reducing the burden of breast cancer amongst Māori women, as well as improving our understanding of the aetiology of breast cancer.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Ethnic and socioeconomic trends in breast cancer incidence in New Zealand

et al. 2010

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“…Es incuestionable que la cultura matiza la expresión a los cambios que se dan a lo largo de la vida. Ya se mencionó que la frecuencia de los síntomas que se atribuyen a la menopausia varía según las distintas características sociales, étnicas y culturales de las participantes en las investigaciones [21][22][23][24][25][26][27][28][29][30][31][32] . La cultura afecta los estilos de vida, hábitos alimentarios y sexualidad, con la inclusión de las experiencias que se dan en la menopausia, y pueden explicar en parte las diferencias en los síntomas relacionados con la menopausia que se observan en diferentes culturas [37][38][39] .…”

Section: Discussionunclassified

“…Esto hace necesario antes de la aplicación de un instrumento en una población distinta a la que participó en el proceso de diseño se corrobore el desempeño del mismo y la equivalencia lingüística de cada ítem 20 . La mayoría de los estudios con el uso de la MRS se han limitado a presentar la frecuencia de síntomas en mujeres de los cinco continentes no indígenas, afrodescendientes, caucásicas, hispanas asiáticas, e indígenas [21][22][23][24][25][26][27][28][29][30][31][32] ; sin explorar o corroborar la estructura de dimensiones que se propuso inicialmente y explorar explícitamente la validez nomológica. Además, las diferencias en el patrón de síntomas y de respuestas en mujeres de diferentes contextos sociales y culturales sugieren un desempeño factorial similar 19 .…”

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Utilidad de menopause rating scale (mrs) en indígenas colombianas en climaterio

Castro

Caicedo

Herazo³

et al. 2017

Duazary

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8Recibido en agosto 24 de 2015 Aceptado en febrero 05 de 2016 RESUMENLa Menopause Rating Scale (MRS) se compone teóricamente de tres dimensiones que evalúan síntomas somáticos, emocionales y urogenitales relacionados con la menopausia. La utilidad de las escalas varía según las características poblacionales y no se cuenta con investigaciones que corroboren estas dimensiones en población indígena. El objetivo fue evaluar la utilidad de las dimensiones y confiabilidad de MRS en indígenas colombianas. Se realizó análisis del patrón de respuesta de MRS en 914 mujeres indígenas, 507 posmenopáusicas y 407 premenopáusicas, entre 40-60 años, media 50,3 años (DE=5,9). Se estimó alfa de Cronbach para las dimensiones originales y para las que emergieron en el análisis factorial mediante el método de máxima verosimilitud y rotación oblicua promax. MRS mostró alfa de Cronbach: 0,86; la dimensión somática 0,63, la psicológica 0,75 y la urogenital 0,84. La puntuación fue significativamente superior en posmenopáusicas que premenopausia 14,4 (DE=6,4) vs. 8,4 (DE=5,9) p<0,001. El análisis de factores identificó dos factores; el primero que dio cuenta del 39,9% de la varianza (ítem 1,7,8,9,10,11) y el segundo del 14,2% (ítem 2,3,4,5,6). La primera dimensión tuvo alfa de Cronbach 0,86; y la segunda 0,81. MRS presentó alta consistencia interna, adecuada validez nomológica y dos dimensiones. Es necesario corroborar el desempeño de los instrumentos en diferentes poblaciones.Palabras clave: Menopausia; Salud de Poblaciones Indígenas; Climaterio; Calidad de vida ABSTRACTThe Menopause Rating Scale (MRS) measures quality of life in menopausal women. It compounds of three dimensions that assess somatic, psychological and urogenital menopausal-related symptoms. However, the validity of the scales may vary according to population characteristics, and there are no validations to date of MRS in American indigenous UTILIDAD DEL MENOPAUSE RATING SCALE (MRS) EN INDÍGENAS COLOMBIANAS EN CLIMATERIO UTILIDAD DEL MENOPAUSE RATING SCALE (MRS) EN INDÍGENAS COLOMBIANAS EN CLIMATERIO

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“…Screening coverage for the geographic region included in our study is approximately the same as the national average however, the documented lower uptake of screening in Māori compared to non-Māori women [34], in the absence of data to assess relative change in screening rates between these populations, would suggest that screening does not explain the noted higher incidence. Additionally, Māori have a more favourable profile than non-Māori for several breast cancer risk factors including higher parity, younger age at first pregnancy and lower rates of hormone therapy use [35]–[36]. Breast density has also been identified as an important predictor of the accuracy of screening mammography [23], [37].…”

Section: Discussionmentioning

confidence: 99%

Age and Ethnic Differences in Volumetric Breast Density in New Zealand Women: A Cross-Sectional Study

Ellison‐Loschmann

McKenzie

Highnam³

et al. 2013

PLoS ONE

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Breast cancer incidence differs by ethnicity in New Zealand (NZ) with Māori (the indigenous people) women having the highest rates followed by Pakeha (people primarily of British/European descent), Pacific and Asian women, who experience the lowest rates. The reasons for these differences are unclear. Breast density, an important risk factor for breast cancer, has not previously been studied here. We used an automated system, Volpara™, to measure breast density volume from the medio-lateral oblique view of digital mammograms, by age (≤50 years and >50 years) and ethnicity (Pakeha/Māori/Pacific/Asian) using routine data from the national screening programme: age; x-ray system and mammography details for 3,091 Pakeha, 716 Māori, 170 Pacific and 662 Asian (total n = 4,239) women. Linear regression of the natural logarithm of absolute and percent density values was used, back-transformed and expressed as the ratio of the geometric means. Covariates were age, x-ray system and, for absolute density, the natural log of the volume of non-dense tissue (a proxy for body mass index). Median age for Pakeha women was 55 years; Māori 53 years; and Pacific and Asian women, 52 years. Compared to Pakeha women (reference), Māori had higher absolute volumetric density (1.09; 95% confidence interval [95% CI] 1.03–1.15) which remained following adjustment (1.06; 95% CI 1.01–1.12) and was stronger for older compared to younger Māori women. Asian women had the greatest risk of high percentage breast density (1.35; 95% CI 1.27–1.43) while Pacific women in both the ≤50 and >50 year age groups (0.78; 95% CI 0.66–0.92 and 0.81; 95% CI 0.71–0.93 respectively) had the lowest percentage breast density compared to Pakeha. As well as expected age differences, we found differential patterns of breast density by ethnicity consistent with ethnic differences seen in breast cancer risk. Breast density may be a contributing factor to NZ’s well-known, but poorly explained, inequalities in breast cancer incidence.

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The menopause symptom profile of Maori and non-Maori women in New Zealand

Cited by 12 publications

References 14 publications

Ethnic and socioeconomic trends in breast cancer incidence in New Zealand

Ethnic and socioeconomic trends in breast cancer incidence in New Zealand

Utilidad de menopause rating scale (mrs) en indígenas colombianas en climaterio

Age and Ethnic Differences in Volumetric Breast Density in New Zealand Women: A Cross-Sectional Study

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