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Seasonal Variation

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Journal Article
Demography (1979) 16 (1): 103–119.
Published: 01 February 1979
...Jane Menken Abstract Seasonal patterns in conception rates have been documented in several recent studies. In this paper, a mathematical model of the reproductive process is developed through which the impact of such variation in conception rates is assessed. It is found that the effect...
Journal Article
Demography (1979) 16 (3): 475–479.
Published: 01 August 1979
... . Population Studies , 30 , 59 – 73 . 10.2307/2173488 Coale A. , & Demeny P. ( 1966 ). Regional Model Life Tables and Stable Populations . Princeton : Princeton University Press . Menken J. ( 1979 ). Seasonal Migration and Seasonal Variation in Fecundability: Effects...
Journal Article
Demography (1983) 20 (4): 541–568.
Published: 01 November 1983
... ( 1981 ). Modeling Demographic Relation-ships: An Analysis of Forecast Functions for Australian Births . Journal of the American Statistical Association , 76 , 782 – 792 . 10.2307/2287568 National Office of Vital Statistics. 1947. Seasonal Variation in the Crude Birth Rate. Vital Statistics...
Journal Article
Demography (1985) 22 (1): 89–100.
Published: 01 February 1985
...Daniel A. Seiver Abstract This paper documents the postwar pattern of seasonality of births, for the United States and its divisions, using a simple time-varying parameter model. Variations over time and over space in seasonality are analyzed. In general, the South exhibits the greatest seasonal...
Journal Article
Demography (1967) 4 (2): 673–679.
Published: 01 June 1967
... observadas. Si el esquema presentado tiene posibilidades de generalización, las variaciones estacionales en los nacimientos no pueden ser explicadas por variaciones esiacionales en el coito, Summary Seasonal variation of birth rates has been observed in every population in which it has been studied. Many...
Journal Article
Demography (1996) 33 (3): 291–305.
Published: 01 August 1996
... that temperature has quantitatively important effects on both seasonal and nonseasonal variation in births. Summer temperature extremes reduce conceptions in the southern United States, explaining a substantial part of the observed seasonal birth pattern. Extreme cold shows no evidence of affecting conceptions...
Journal Article
Demography (2007) 44 (4): 705–728.
Published: 01 November 2007
... Healthy Men During a 17-Month Period: Possible Effects of Seasons . The Journal of Clinical Endocrinology & Metabolism , 88 , 932 – 37 . 10.1210/jc.2002-020838 Andolz P. , Bielsa M.A. , & Andolz A. ( 2001 ). Circannual Variation in Human Semen Parameters . International...
Journal Article
Demography (1994) 31 (2): 321–346.
Published: 01 May 1994
... of Obstetric Gynecology and Reproductive Biology , 29 , 137 – 41 . 10.1016/0028-2243(88)90140-2 Levine R.J. ( 1991 ). Seasonal Variation in Human Semen Quality . In A.W. Zorgniotti (Ed.), Temperature and Environmental Effects on the Testis (pp. 89 – 66 ). New York : Plenum...
Journal Article
Demography (2018) 55 (3): 1091–1118.
Published: 14 May 2018
...—starches, animal products, fruits, and grains—there is substantial seasonal variation in real consumption value. 4 During the lean season, the typical household reduces its intake of both macro- and micronutrients (e.g., protein from animal products, micronutrients from fruits and vegetables). Taken...
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Includes: Supplementary data
Journal Article
Demography (1966) 3 (2): 305–318.
Published: 01 June 1966
.... Marriage Rate Seasonal Component Seasonal Adjustment Economic Time Series Underlying Trend References 1 Carter H. , & Sutton G. ( 1959 ). Factors Associated with Seasonal Variation in Marriage in the United States . Human Biology , XXXV , 366 – 76 . 2 Unemployed...
Journal Article
Demography (1982) 19 (1): 79–95.
Published: 01 February 1982
... ). Fertility Effect of Seasonal Migration and Seasonal Variation in Fecundability: Test of a Useful Approximation under More General Conditions . Demography , 16 , 475 – 479 . 10.2307/2061226 Browning H. L. , & Feindt W. ( 1971 ). The Social and Economic Context of Migration...
Journal Article
Demography (1986) 23 (1): 13–30.
Published: 01 February 1986
... Systems. Land K. C. , & David C. ( 1983 ). Arima models of seasonal variation in U.S. birth and death rates . Journal of the American Statistical Association , 20 , 541 – 568 . Lee R. D. ( 1974 ). Forecasting births in post-transition populations: stochastic renewal...
Journal Article
Demography (1984) 21 (4): 673–677.
Published: 01 November 1984
... of a Misconception. Social Science Research 10:282-299. Land, K. C. and D. Cantor. 1983. ARIMA Models of Seasonal Variation in U.S. Birth and Death Rates. Demography 20:541-568. McCleary, R. and R. A. Hay, Jr. 1980. Applied Time Series Analysis for the Social Sciences. Beverly Hills: Sage Publications. McDonald, J...
Journal Article
Demography (2018) 55 (4): 1269–1293.
Published: 02 July 2018
... calendar months later (Lam and Miron 1991 , 1996 ; Lam et al. 1994 ; Seiver 1985 , 1989 ). Only Lam and Miron ( 1996 ) (hereafter LM) and Seiver ( 1989 ) relied on variation in atypical temperatures, thereby controlling for seasonal confounders. Neither of these studies comprehensively investigated...
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Includes: Supplementary data
Journal Article
Demography (1993) 30 (2): 127–142.
Published: 01 May 1993
... Menken Jane A. ( 1979 ). Seasonal Migration and Seasonal Variation in Fecundability: Effects on Birth Rates and Birth Intervals . Demography , 16 , 103 – 19 . 10.2307/2061082 Pao, Lien Ho. “Good Timing! Just in Time to squeeze in a Dragon Baby.” January, 1976. Rindfuss Ronald R...
Journal Article
Demography (1984) 21 (4): 501–517.
Published: 01 November 1984
.... -- and K. M. Schnabel. 1983b. Background and Characteristics of Undocumented Hispanic Migrants to the United States. Migration Today 11:6-13. Menken, J. A. 1979. Seasonal Migration and Sea- sonal Variation in Fecundibility: Effects on Birth Rates and Birth Intervals. Demography 16:103- 120. Mines, R. 1981...
Journal Article
Demography (1990) 27 (3): 397–411.
Published: 01 August 1990
... dominated by seasonal cycles to those reflecting greater individual variation in demographic events. Chinese cultural areas are of particular interest to analysts of seasonality. As data from the People's Republic of China (1946-1981) have shown, these areas have resilient seasonal patterns of marriage...
Journal Article
Demography (1989) 26 (2): 185–201.
Published: 01 May 1989
... and reproduction in sub-Saharan Africa: An overview of organizing principles. In R. Lesthaeghe (ed.), Reproduction and Social Organization in Sub-Saharan Africa . Berkeley: University of California Press. Menken , J. ( 1979 ). Seasonal migration and seasonal variation in fecundability: Effects on birth...
Journal Article
Demography (1996) 33 (1): 98–110.
Published: 01 February 1996
...). Measles deaths were 2.4/1,000 (SO = 1.8), with a peak in April (about 6.0/1,000) and an additional borderline peak in February (4.0/1,000). Seasonal variations in measles deaths were not noticed in the treatment area, but were ob- served in the comparison area around the hot months of February-April...
Journal Article
Demography (1983) 20 (1): 45–59.
Published: 01 February 1983
... due to the 60-and-over population. This group ex- hibits more seasonal variations than the two younger groups. The middle age group has a significant decline in suicides for November and December while the other two groups have a slight increase. The yearly coefficients show that the strongest upward...