births                  package:Epi                  R Documentation

_B_i_r_t_h_s _i_n _a _L_o_n_d_o_n _H_o_s_p_i_t_a_l

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

     Data from 500 singleton births in a London Hospital

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

     data(births)

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

     A data frame with 500 observations on the following 8 variables.

            'id':  Identity number for mother and baby.
       'bweight':  Birth weight of baby.
         'lowbw':  Indicator for birth weight less than 2500 g.
       'gestwks':  Gestation period.
       'preterm':  Indicator for gestation period less than 37 weeks.
        'matage':  Maternal age.
           'hyp':  Indicator for maternal hypertension.
           'sex':  Sex of baby: 1:Male, 2:Female.

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

     Anonymous

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

     Michael Hills and Bianca De Stavola (2002). A Short Introduction
     to Stata 8 for Biostatistics, Timberlake Consultants Ltd <URL:
     http://www.timberlake.co.uk>

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

     data(births)

