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X Demographics
Mendeley readers
Attention Score in Context
| Title |
Night Work and Breast Cancer Risk Among Norwegian Nurses: Assessment by Different Exposure Metrics
|
|---|---|
| Published in |
American Journal of Epidemiology, March 2011
|
| DOI | 10.1093/aje/kwr014 |
| Pubmed ID | |
| Authors |
Jenny-Anne S Lie, Helge Kjuus, Shan Zienolddiny, Aage Haugen, Richard G Stevens, Kristina Kjærheim |
| Abstract |
Associations between night work and breast cancer risk were investigated in a nested case-control study within a cohort of 49,402 Norwegian nurses. A total of 699 (74%) of the live cases diagnosed in 1990-2007 and 895 (65%) controls, cancer free at the time of sampling, were interviewed about work history and potential risk factors. The odds ratios for risk of breast cancer in relation to different exposure metrics were estimated by multivariate unconditional logistic regression models. No increase of risk was found after long duration of work by nurses working ≥3 night shifts per month. Small, nonsignificantly increased risks were observed for exposure to ≥30 years in hospitals or other institutions (odds ratio (OR) = 1.1), ≥12 years in schedules including night work (OR = 1.3), ≥1,007 night shifts during the lifetime (OR = 1.2), and lifetime average number of ≥4 night shifts per month (OR = 1.2). Nonsignificantly increased risks of breast cancer were observed in nurses who worked ≥5 years with ≥4 (OR = 1.4) and ≥5 (OR = 1.6) consecutive night shifts. Significantly increased risks were seen in nurses who worked ≥5 years with ≥6 consecutive night shifts (OR = 1.8, 95% confidence interval: 1.1, 2.8). The results suggest that risk may be related to number of consecutive night shifts. |
X Demographics
The data shown below were collected from the profiles of 3 X users who shared this research output. Click here to find out more about how the information was compiled.
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| Japan | 3 | 100% |
Demographic breakdown
| Type | Count | As % |
|---|---|---|
| Members of the public | 3 | 100% |
Mendeley readers
The data shown below were compiled from readership statistics for 122 Mendeley readers of this research output. Click here to see the associated Mendeley record.
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| Germany | 2 | 2% |
| Spain | 2 | 2% |
| Netherlands | 1 | <1% |
| Italy | 1 | <1% |
| Norway | 1 | <1% |
| Denmark | 1 | <1% |
| Canada | 1 | <1% |
| Unknown | 113 | 93% |
Demographic breakdown
| Readers by professional status | Count | As % |
|---|---|---|
| Student > Ph. D. Student | 24 | 20% |
| Student > Master | 17 | 14% |
| Student > Bachelor | 17 | 14% |
| Researcher | 13 | 11% |
| Professor > Associate Professor | 6 | 5% |
| Other | 18 | 15% |
| Unknown | 27 | 22% |
| Readers by discipline | Count | As % |
|---|---|---|
| Medicine and Dentistry | 36 | 30% |
| Nursing and Health Professions | 16 | 13% |
| Agricultural and Biological Sciences | 13 | 11% |
| Biochemistry, Genetics and Molecular Biology | 11 | 9% |
| Social Sciences | 4 | 3% |
| Other | 13 | 11% |
| Unknown | 29 | 24% |
Attention Score in Context
This research output has an Altmetric Attention Score of 5. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 18 May 2012.
All research outputs
#7,304,457
of 26,017,215 outputs
Outputs from American Journal of Epidemiology
#4,697
of 9,146 outputs
Outputs of similar age
#39,597
of 125,916 outputs
Outputs of similar age from American Journal of Epidemiology
#29
of 56 outputs
Altmetric has tracked 26,017,215 research outputs across all sources so far. This one has received more attention than most of these and is in the 71st percentile.
So far Altmetric has tracked 9,146 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 20.0. This one is in the 47th percentile – i.e., 47% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 125,916 tracked outputs that were published within six weeks on either side of this one in any source. This one has gotten more attention than average, scoring higher than 67% of its contemporaries.
We're also able to compare this research output to 56 others from the same source and published within six weeks on either side of this one. This one is in the 46th percentile – i.e., 46% of its contemporaries scored the same or lower than it.