updated birth cohorts

UK-IPS-time-series-extract.do

@@ -237,14 +237,15 @@ if `do_extracts' {
 				
 		/* create a birth cohort variable
 		Birth year	Age in 2000	Age in 2010
		1900-1909	90-100	
		1910-1919	80-90	90-100
		1920-1929	70-80	80-90
		1930-1939	60-70	70-80
		1940-1949	50-60	60-70
		1950-1959	40-50	50-60
+		1960-1969	30-40	40-50
 		*/
 		* remember these are based on age groups
 		* set the minimum age they could be
-		recode ba_age (0=0) (1=15) (2=25) (3=35) (4=45) (5=55) (6=65), gen(ba_min_age)
+		recode ba_age (0=0) (1=16) (2=25) (3=35) (4=45) (5=55) (6=65), gen(ba_min_age)
 		* subtract that from the survey year to give a VERY rough birth year (minimum)
 		gen ba_birthyear = year - ba_min_age
 		* create a birth cohort variable
-		* NB: fix for young children
+		* NB: fix for young children & use of min age
 		recode ba_birthyear (1900/1909=1 "1900-1909") (1910/1919=2 "1910-1919") (1920/1929=3 "1920-1929") ///
 			(1930/1939=4 "1930-1939") (1940/1949=5 "1940-1949") (1950/1959=6 "1950-1959") ///
 			(1960/1969=7 "1960-1969") (1970/1979=8 "1970-1979") (1980/1989=9 "1980-1989") ///