TY - JOUR
T1 - Seasonality of fertility in matlab, Bangladesh
AU - Becker, Stan
N1 - Funding Information:
Most of the computer costs for this research were provided for under the Biomedical Research Support Grant FRO5445 from the Division of Research Facilities and Resources of the US National Institute of Health while the author was a PhD candidate in the Department of Population Dynamics, Johns Hopkins University. H. Hiltabidle and J. Gehret helped with programming. An earlier draft of this paper was presented at the Workshop on Recent Trends in Fertility and Mortality in Bangladesh in April 1979.
PY - 1981
Y1 - 1981
N2 - From matched birth and census records in the Matlab area of Bangladesh, monthly fertility rates for the period 1970-74 are studied for seasonal patterns by age and parity. Trigonometric regression techniques are used to summarize and compare the multiple series. Pronounced seasonal patterns are apparent for all age and parity groups. The general fertility rate peaks in December with a seasonal variation of 42% above and below the mean level. For younger women at low parities the peak is in late October, while for older women of higher parity it is in January. The shift progresses linearly with age and parity though the age effect is the more pronounced. A seasonal pattern of fecundability which varies by age group could explain the shift.
AB - From matched birth and census records in the Matlab area of Bangladesh, monthly fertility rates for the period 1970-74 are studied for seasonal patterns by age and parity. Trigonometric regression techniques are used to summarize and compare the multiple series. Pronounced seasonal patterns are apparent for all age and parity groups. The general fertility rate peaks in December with a seasonal variation of 42% above and below the mean level. For younger women at low parities the peak is in late October, while for older women of higher parity it is in January. The shift progresses linearly with age and parity though the age effect is the more pronounced. A seasonal pattern of fecundability which varies by age group could explain the shift.
UR - http://www.scopus.com/inward/record.url?scp=0019377154&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=0019377154&partnerID=8YFLogxK
U2 - 10.1017/S0021932000013237
DO - 10.1017/S0021932000013237
M3 - Article
C2 - 7462273
AN - SCOPUS:0019377154
SN - 0021-9320
VL - 13
SP - 97
EP - 105
JO - Journal of Biosocial Science
JF - Journal of Biosocial Science
IS - 1
ER -