hivDK                  package:Epi                  R Documentation

_h_i_v_D_K: _s_e_r_o_c_o_n_v_e_r_s_i_o_n _i_n _a _c_o_h_o_r_t _o_f _D_a_n_i_s_h _m_e_n

_D_e_s_c_r_i_p_t_i_o_n:

     Data from a survey of HIV-positivity of a cohort of Danish men
     followed by regular tests from 1983 to 1989.

_U_s_a_g_e:

       data(hivDK)
       

_F_o_r_m_a_t:

     A data frame with 297 observations on the following 7 variables.

     '_i_d' ID of the person

     '_e_n_t_r_y' Date of entry to the study. Date variable.

     '_w_e_l_l' Date last seen seronegative. Date variable.

     '_i_l_l' Date first seen seroconverted. Date variable.

     '_b_t_h' Year of birth minus 1950.

     '_p_y_r' Annual number of sexual partners.

     '_u_s' Indicator of wheter the person has visited the USA.

_S_o_u_r_c_e:

     Mads Melbye, Statens Seruminstitut.

_R_e_f_e_r_e_n_c_e_s:

     Becker N.G. and Melbye M.: Use of a log-linear model to compute
     the empirical survival curve from interval-censored data, with
     application to data on tests for HIV-positivity, Australian
     Journal of Statistics, 33, 125-133, 1990.

     Melbye M., Biggar R.J., Ebbesen P., Sarngadharan M.G., Weiss S.H.,
     Gallo R.C. and Blattner W.A.: Seroepidemiology of HTLV-III
     antibody in Danish homosexual men: prevalence, transmission and
     disease outcome. British Medical Journal, 289, 573-575, 1984.

_E_x_a_m_p_l_e_s:

       data(hivDK)
       str(hivDK) 
       

