DB2 - procedure to display the age in years & months

CREATE PROCEDURE DOB_PROC (DOB DATE, OUT P_RES VARCHAR (300))
SPECIFIC DOB1
BEGIN
	DECLARE V_DOB DATE;
	DECLARE V_YEARS INT DEFAULT 0;
	DECLARE V_MONTHS INT DEFAULT 0;

	SET V_YEARS = MONTHS_BETWEEN (CURRENT_DATE, DOB)/12;
 
	SET V_MONTHS = MOD (MONTHS_BETWEEN (CURRENT_DATE, DOB) ,12);

SET P_RES = 'YOU ARE '||V_YEARS||'YEARS AND ' || V_MONTHS || 'MONTHS OLD';
END@

-- call the stored procedure as follows:
CALL DOB_PROC ('1988-10-27', ?)