Catherine S Berkey
Biographic Data
| ID | 4339798 |
|---|---|
| NAME | Catherine S Berkey |
| GIVEN NAMES | Catherine S |
| FAMILY NAME | Berkey |
| SIGNATURE | BERKEY C S |
| AFFILIATIONS | Harvard University |
| ORCID | 0000-0001-5831-3243 |
| VERIFIED | Yes |
| TOTAL WORKS | 11 |
| TOTAL CITATIONS | 0 |
| WORKS AS AUTHOR | 11 |
| WORKS AS EDITOR | 0 |
| FIRST PUBLICATION YEAR | 1983 |
| LATEST PUBLICATION YEAR | 2001 |
| H-INDEX | 0 |
Peer, Parent, and Media Influences on the Development of Weight Concerns and Frequent Dieting Among Preadolescent and Adolescent Girls and Boys
OBJECTIVE: To assess prospectively the influence of peers, parents, and the media on the development of weight concerns and frequent dieting. DESIGN: Prospective cohort study. SETTING: Questionnaires mailed annually to participants throughout the United States. PARTICIPANTS: One-year follow-up of 6770 girls and 5287 boys who completed questionnaires in 1996 and 1997 and were between 9 and 14 years of age in 1996. MAIN OUTCOME MEASURE: Onset of hi…
Reproducibility and Validity of Maternal Recall of Pregnancy-Related Events
We assessed the reproducibility and validity of a questionnaire that asks mothers to recall pregnancy-related events from thirty or more years ago. Among 146 women who completed the questionnaire twice, responses were highly reproducible for pre-pregnancy height and weight (r = 0.95), pregnancy complications (r = 0.74), substance use (r = 0.80), preterm delivery (r = 0.82), birthweight (r = 0.94), and breastfeeding (r = 0.89). Among 154 women who…
Social networks, stress and health-related quality of life
The distribution of body fat from childhood to adulthood in a longitudinal study population
Body fat distribution, its continuity from childhood (4–6 years) to 30 years of age, and its link to that of parents is described in a longitudinal study population. A computer-assisted image analysis technique was used to measure body fat distribution (as measured by waist and hip diameters) from somatotype photographs. Pearson correlation coefficients were used to assess the association between the waist/hip diameter ratio (WHDR) and the body m…
Adolescent height growth of US children
Features of adolescent height growth are characterized, using data from 6532 children, black and white, participating in the Harvard Six Cities Study from 1974 to 1989
Longitudinal analysis of incomplete adolescent data
An approach is illustrated for the analysis of longitudinal variables collected during adolescence. Since the method requires complete data, three techniques are compared for application when some individuals have missing values. These methods are implemented in a study of systolic blood pressures and dietary fat intakes collected longitudinally in adolescent girls. The value of adolescent systolic and fat variables in predicting systolic pressur…
Linear statistical model for growth in stature from birth to maturity
A model for the physical growth of individual children from birth to adulthood is proposed which is linear in the model parameters. The advantages of linear over nonlinear models include the relative ease and costs of fitting the model to data of individuals and the fact that statistical methods are more readily available for analysis of parameters from linear models than for nonlinear models. The proposed linear model and the non‐linear triple l…
Nonlinear growth curve analysis
A model for analysing longitudinal growth data with covariates is proposed. It assumes that the data for each individual follow a nonlinear growth model, with parameters unique to that individual. The parameters of individuals are assumed to vary in the population, with the population mean of each parameter dependent upon covariates. Several simple, two-stage methods of estimation are described and compared for making inferences about the effects…
Longitudinal growth standards for preschool children
The appropriateness of a preschool child's size at a particular age is usually assessed by comparing the child's measurement against growth charts. When the child has measurements at more than one age, the child's percentile status at one age is sometimes compared with the percentile status at a subsequent age, with the purpose of assessing the child's pattern over time or growth rate. This second use of growth charts is not entirely appropriate,…
Longitudinal principal components and non-linear regression models of early childhood growth
The Jenss curve is a non-linear regression model which describes quite well the longitudinal length or weight measurements of an individual child from three months to six years. It is contrasted with modelling growth by longitudinal principal components analysis, an approach developed by Kent which is not restricted to any particular curve type or age range, and which can be thought of as providing the best fit among linear models having kappa pa…
Midgrowth spurt in height of Boston children
A mid-childhood growth spurt in height was found in 17 of 67 boys and in 0 of 67 girls followed from age two years to adulthood. The growth spurt was detected analytically from variable knot cubic splines which were fitted to the longitudinal height data of each child
No prominent works on this page.
Longitudinal growth standards for preschool children
The appropriateness of a preschool child's size at a particular age is usually assessed by comparing the child's measurement against growth charts. When the child has measurements at more than one age, the child's percentile status at one age is sometimes compared with the percentile status at a subsequent age, with the purpose of assessing the child's pattern over time or growth rate. This second use of growth charts is not entirely appropriate,…
Longitudinal principal components and non-linear regression models of early childhood growth
The Jenss curve is a non-linear regression model which describes quite well the longitudinal length or weight measurements of an individual child from three months to six years. It is contrasted with modelling growth by longitudinal principal components analysis, an approach developed by Kent which is not restricted to any particular curve type or age range, and which can be thought of as providing the best fit among linear models having kappa pa…
Midgrowth spurt in height of Boston children
A mid-childhood growth spurt in height was found in 17 of 67 boys and in 0 of 67 girls followed from age two years to adulthood. The growth spurt was detected analytically from variable knot cubic splines which were fitted to the longitudinal height data of each child
Nonlinear growth curve analysis
A model for analysing longitudinal growth data with covariates is proposed. It assumes that the data for each individual follow a nonlinear growth model, with parameters unique to that individual. The parameters of individuals are assumed to vary in the population, with the population mean of each parameter dependent upon covariates. Several simple, two-stage methods of estimation are described and compared for making inferences about the effects…
Linear statistical model for growth in stature from birth to maturity
A model for the physical growth of individual children from birth to adulthood is proposed which is linear in the model parameters. The advantages of linear over nonlinear models include the relative ease and costs of fitting the model to data of individuals and the fact that statistical methods are more readily available for analysis of parameters from linear models than for nonlinear models. The proposed linear model and the non‐linear triple l…
Longitudinal analysis of incomplete adolescent data
An approach is illustrated for the analysis of longitudinal variables collected during adolescence. Since the method requires complete data, three techniques are compared for application when some individuals have missing values. These methods are implemented in a study of systolic blood pressures and dietary fat intakes collected longitudinally in adolescent girls. The value of adolescent systolic and fat variables in predicting systolic pressur…
The distribution of body fat from childhood to adulthood in a longitudinal study population
Body fat distribution, its continuity from childhood (4–6 years) to 30 years of age, and its link to that of parents is described in a longitudinal study population. A computer-assisted image analysis technique was used to measure body fat distribution (as measured by waist and hip diameters) from somatotype photographs. Pearson correlation coefficients were used to assess the association between the waist/hip diameter ratio (WHDR) and the body m…
Adolescent height growth of US children
Features of adolescent height growth are characterized, using data from 6532 children, black and white, participating in the Harvard Six Cities Study from 1974 to 1989
Social networks, stress and health-related quality of life
Reproducibility and Validity of Maternal Recall of Pregnancy-Related Events
We assessed the reproducibility and validity of a questionnaire that asks mothers to recall pregnancy-related events from thirty or more years ago. Among 146 women who completed the questionnaire twice, responses were highly reproducible for pre-pregnancy height and weight (r = 0.95), pregnancy complications (r = 0.74), substance use (r = 0.80), preterm delivery (r = 0.82), birthweight (r = 0.94), and breastfeeding (r = 0.89). Among 154 women who…
Peer, Parent, and Media Influences on the Development of Weight Concerns and Frequent Dieting Among Preadolescent and Adolescent Girls and Boys
OBJECTIVE: To assess prospectively the influence of peers, parents, and the media on the development of weight concerns and frequent dieting. DESIGN: Prospective cohort study. SETTING: Questionnaires mailed annually to participants throughout the United States. PARTICIPANTS: One-year follow-up of 6770 girls and 5287 boys who completed questionnaires in 1996 and 1997 and were between 9 and 14 years of age in 1996. MAIN OUTCOME MEASURE: Onset of hi…
Medicine (8 works) · Mathematics (7 works) · Statistics (7 works) · Demography (6 works) · Demography (5 works) · Psychology (5 works) · Internal Medicine (4 works) · Birth, Development, and Health (3 works) · Econometrics (3 works) · Longitudinal study (3 works)