heasman_reid_1961 {chainbinomial} | R Documentation |
Common Cold Data
Description
Data presented in Heasman & Reid (1961), originally gathered and analyzed by Brimblecombe et al (1958). The data set describes 664 outbreaks of the common cold in 72 families over two years. All families consists of two parents and three children. The data is available in aggregated form as presented in the paper, with counts of the number of outbreaks that belong to a given classification.
Usage
heasman_reid_1961_chains
heasman_reid_1961_crowding
heasman_reid_1961_intro_case_status
heasman_reid_1961_intro_case_status
heasman_reid_1961_crowding
Format
An object of class data.frame
with 24 rows and 2 columns.
An object of class data.frame
with 5 rows and 5 columns.
An object of class data.frame
with 5 rows and 4 columns.
Chain Data
Each outbreak was classified to a specific chain suitable for analysis by the Chain Binomial model by Heasman & Reid (1961), Table V.
heasman_reid_1961_chains
: A data frame with 24 rows and 2 columns:
- chain
the number of infected in each generation, separated by '-', ie the Chain.
- n
Number of outbreaks
Crowding
Each outbreak classified according to the degree of domestic overcrowding. Heasman & Reid (1961), Table IV. Overcrowded homes have either one or two rooms, crowded homes have three rooms, while uncrowded homes have more than three rooms.
heasman_reid_1961_crowding
: A data frame with 5 rows and 4 columns:
- further_cases
The number of cases in the outbreak, in addition to the primary case.
- overcrowding
Number of outbreaks that belong to the overcrowded household category.
- crowded
Number of outbreaks that belong to the crowded household category.
- uncrowded
Number of outbreaks that belong to the uncrowded household category.
Index case status
Each outbreak classified according to who the the introducing case was. Heasman & Reid (1961), Table II.
heasman_reid_1961_intro_case_status
: A data frame with 5 rows and 5 columns:
- further_cases
The number of cases in the outbreak, in addition to the primary case.
- father
Number of outbreaks with father as the index case.
- mother
Number of outbreaks with mother as the index case.
- school_child
Number of outbreaks with a school child as the index case.
- pre_school_child
Number of outbreaks with a pre-school child as the index case.
References
Heasman & Reid (1961) Theory And Observation In Family Epidemics Of The Common Cold. Brit. J. prev. soc. Med.
Brimblecombe et al (1958) Family Studies Of Respiratory Infections. British Medical Journal.