Description	Question	Coding
ID	Unique study identification #		For example, PES001
	First author—impact evaluation	Surname	Open answer
Outcome for effect size (answer for all studies)	Primary outcome	Which primary outcomes is being coded?	1 = Forest cover/deforestation 2 = Forest condition 3 = Carbon stocks 4 = Greenhouse gas emissions 5 = Income/consumption/expenditure 6 = Food security 7 = Other socioeconomic outcome 8 = Intermediate outcomes
	Subgroup analysis	Is this effect size data for a subgroup?	1 = No 2 = Yes
	Subgroup analysis decription	If yes to question 2, which type of subgroup?	Open answer—this can include separate samples for gender, income, place of residence, land size, head of household (e.g., female or male headed)
	Definition of outcome	Please provide the authors definition of the outcome (including description of the subgroup if relevant)	Open answer
	Effect size location	Which page(s) contain the effect size data?	Open answer
	Data to be extracted	Which type of data to be extracted?	1 = Continuous—means and SDs 2 = Continuous—mean difference and SD 2 = Dichotomous outcome—proportions 3 = Regression data
Effect size data (answer for all studies)	Sample size metric	Sample size unit of analysis	1 = Individual 2 = Household 3 = Group (e.g., community organisation) 4 = Plot 5 = Village 6 = Not clear
	Treatment effect estimated	What treatment effect is estimated?	1 = ITT 2 = ATET 3 = ATE 4 = LATE
	Sample size (treatment)	Initial sample size treatment group	#
	Sample size (control)	Initial sample size control group	#
	Sample size (total)	Initial sample size total	#
	Observations (treatment)	Number of treatment observations after attrition (individuals)	#
	Observations (control)	Number of control observations after attrition (individuals)	#
	Observations (total)	Total number of control observations after attrition (individuals)	#
Outcome data—if continuous (means and SDs)	Baseline outcome treatement	State result of baseline outcome for treatment group	#
	SD baseline outcome treatement	State SD of baseline outcome measure for treatment group	#
	Sample size baseline treatment	State sample size at baseline	#
	Baseline outcome control	State result of baseline outcome for control group	#
	SD baseline outcome control	State SD of baseline outcome measure for contol group	#
	Sample size baseline control	State sample size at baseline	#
	Outcome in treatment post intervention	State result of post intervention outcome for treatment group	#
	SD outcome in treatment post intervention	State SD of post intervention outcome measure for treatment group	#
	Number with outcome in treatment post intervention	State sample size post intervention	#
	Outcome in control post intervention	State result of post intervention outcome for control group	#
	SD outcome in control post intervention	State SD of post intervention outcome measure for control group	#
	Number with outcome in contol post intervention	State sample size post intervention	#
	Outcome in treatment first follow up	State result of first follow up outcome measure for treatment group	#
	SD outcome in treatment first follow up	State SD first follow up outcome measure for treatment group	#
	Number with outcome in treatment first follow up	State sample size first follow up	#
	Outcome in control first follow up	State result of first follow up outcome measure for treatment group	#
	SD outcome in control first follow up	State SD first follow up outcome measure for treatment group	#
	Number with outcome in control first follow up	State sample size first follow up	#
Outcome data—If continuous (mean difference and SD at follow up)	Mean difference at follow up	State mean difference	#
	SD at follow up	State SD at follow up	#
Outcomes data—if dichotomous (Proportions r)	Baseline number with outcome in treatement	State result of baseline outcome for treatment group	#
	Sample size baseline treatment	State sample size at baseline	#
	Proportion with outcome at baseline in treatment	State proportion with outcome at baseline in treatment	#
	Baseline number with outcome in control	State result of baseline outcome for treatment group	#
	Sample size baseline control	State sample size at baseline	#
	Proportion with outcome at baseline in control	State proportion with outcome at baseline in contol	#
	Number with outcome in treatment post intervention	State number with outcome post intervention for treatment group	#
	Sample size post intervention treatment	State sample size for treatment group post intervention	#
	Proportion with outcome in treatment group post intervention	State proportion with outcome post intervention in control group	#
	Number with outcome in control post intervention	State number with outcome post interventionfor control group	#
	Sample size post intervention control	State sample size for control group post intervention	#
	Proportion with outcome in control group post intervention	State proportion with outcome post intervention in control group	#
	Number with outcome in treatment first follow up	State number with outcome at first follow up for treatment group	#
	Sample size first follow up treatment	State sample size at first follow up for treatment group	#
	Proportion with outcome in treatment group first follow up	State proportion with outcome at first follow up in treatment group	#
	Number with outcome in contro first follow up	State number with outcomeat first follow up for control group	#
	Sample size first follow up control	State sample size at for control group at first follow up	#
	Proportion with outcome in contol group first follow up	State proportion with outcome at first follow up in control group	#
Regression data	OLS	OLS used?	1 = Yes, 2 = No
	Logistic	Logistic used?	1 = Yes, 2 = No
	Type of logistic	What type of logistic regression?	1 = binomial, 2 = multinomial
	GLS/WLS	GLS or WLS used?	1 = Yes, 2 = No
	Poisson	Poisson regression used?	1 = Yes, 2 = No
	Other regression types	Other regression type used? Specify	open answer
	Multilevel models	Is this a multilevel model?	1 = Yes, 2 = No
	Continous outcome	Is the outcome continous?	1 = Yes, 2 = No
	Dichotomus outcome	Is the outcome dichotomus?	1 = Yes, 2 = No
	Multiple outcome categories	Does the outcome have more than two categories?	1 = Yes, 2 = No, 3 = Continous
	Type of coefficient	What is the coefficient type?	1 = raw, 2 = standardized, 3 = other
	Coefficient	What is the coefficient estimate?	#
	Standard error	What is the standard error of the coefficient estimate?	#
	t test	What is the t statistic associated with the focal predictor?	#