Table 1.

Description of data characteristics from 2005 to 2009.

	S1				S2			S3
	2005/2006 EIP	2006/2007 FIP	2007/2008 FIP	2008/2009 FIP	2006/2007 EIP	2007/2008 FIP	2008/2009 FIP	2007/2008 EIP	2008/2009 FIP
Total schools that joined P.A.T.H.S.	52	207	213	197	49	196	198	48	167
(i) 10 h program	23	95	108	104	27	113	110	29	104
(ii) 20 h program	29	112	105	93	22	83	88	19	63
Tier 1 Program
Mean number of sessions of program implementation	17.75 (3–50)	23.55 (2–50)	23.61 (5–60)	23.54 (5–65)	23.76 (10–40)	22.81 (7–60)	23.04 (4–48)	24.07 (10–44)	22.78 (7–66)
Number of schools incorporated into formal curriculum	21	101	116	98	26	108	99	30	85
Number of schools incorporated into other modes	31	106	97	99	23	88	99	18	82
Mean number of classes per school	4.58 (2–7)	4.66 (1–8)	4.69 (1–8)	4.56 (1–8)	4.51 (1–7)	4.62 (1–8)	4.64 (1–8)	4.56 (1–8)	4.67 (1–8)
Mean number of students per school	166.90 (37–240)	172.63 (17–280)	171.05 (16–267)	158.78 (5–251)	166.67 (32–240)	170.66 (12–280)	169.61 (15–263)	160.58 (26–240)	168.60 (28–240)
Total number of instructors	419	1582	1630	1458.5	336	1486	1473.5	344	1186
Mean number of teachers per school	5.13 (0–17)	5.47 (0–14)	5.63 (0–28)	5.75 (0–28)	2.27 (0–6)	5.59 (0–15)	5.63 (0–20)	2.25 (0–6)	5.40 (0–20)
Mean number of social workers per school	2.63 (0–8)	2.13 (0–9)	2.00 (0–8)	1.75 (0–10)	4.55 (0–12)	1.97 (0–8)	1.76 (0–10)	4.90 (0–12)	1.68 (0–7)
Total number of instructor respondents	344	1250	1324	1178	270	1178	1154	286	942
Mean number of instructor respondents per school	6.62 (1–21)	6.04 (1–18)	6.22 (1–29)	5.98 (1–24)	5.51 (2–15)	6.01 (1–17)	5.83 (1–16)	5.96 (1–18)	5.64 (1–16)

S1: Secondary 1 level; S2: Secondary 2 level; S3: Secondary 3 level; EIP: Experimental Implementation Phase, FIP: Full Implementation Phase.