Study	Outcome	N	Nt	Nc	Unit of analysis	TREATeff	Effect size	Variance	Lower bound	Upper bound
Xu et al. 20120—China—SLCP	“Other income consists of aquaculture, rental and interest income, gifts, pension income, and government subsidies and transfer payments”.	345	264	81	Household		−0.0196	0.0161	−0.2685	0.2294
Yao et al. 2010—China—SLCP	Other income(income from other sources, such as family properties and government subsidies)	600	492	108	Household		0.0149	0.0113	−0.1934	0.2231
Zhang et al. 2013—China—PLDL	Migrant income	723	394	329	Household		0.2223	0.0056	0.0755	0.3692
Jack et al. 2017—Malawi—ICRAF PES experiment	Casual labor income (0/1)—lottery group	319	205	114	Household		0.2438	0.0137	0.0141	0.4736
Jack et al. 2017—Malawi—ICRAF PES experiment	Casual labor income (0/1)—auction group	319	205	114	Household		0.1518	0.0137	−0.0775	0.3811
Liu et al. 2014—China—SLCP	Off‐farm income (RO)—SLCP + NFPPP	1,458	729	729	Household		0.0508	0.0027	−0.0519	0.1534
Liang et al. 20120—China—SLCP	Local wage‐income (income from working in the villages and towns).	442	221	221	Household		0.0475	0.0091	−0.1390	0.2340
Liang et al. 20120—China—SLCP	Local wage‐income (income from working in the villages and towns).	366	183	183	Household		0.2921	0.0110	0.0861	0.4981
Liang et al. 2012—China—SLCP	Local wage‐income (income from working in the villages and towns).	127	63.5	63.5	Household		0.0882	0.0315	−0.2598	0.4362
Liu et al. 2014—China—DCBT	Off‐farm income (RO)	1,458	729	729	Household		0.0143	0.0027	−0.0884	0.1169
Sharma et al. 2014—Nepal—REDD+ Pilot	Household income from CFUG (Community Forest User Groups) initiated activities in community Rs.	614	307	307	Household		0.0134	0.0065	−0.1448	0.1716
Sharma et al. 2014—Nepal—REDD+ Pilot	Gross income from CFUGs to the household in Rs.	614	307	307	Household		0.0347	0.0065	−0.1235	0.1929
Lin et al. 2014—China—SLCP	Household income consists of 1)on‐farm income, 2)off‐farm income and 3)other income.	269	134.5	134.5	Household		0.2189	0.0150	−0.0208	0.4586
Lin et al. 2014—China—SLCP	Household income consists of 1)on‐farm income, 2)off‐farm income and 3)other income.	234	117	117	Household		0.2346	0.0172	−0.0226	0.4917
Lin et al. 2014—China—SLCP	Household income consists of 1)on‐farm income, 2)off‐farm income and 3)other income.	200	100	100	Household		0.3381	0.0203	0.0590	0.6173
Lin et al. 2014—China—SLCP	Household income consists of 1)on‐farm income, 2)off‐farm income and 3)other income.	189	94.5	94.5	Household		0.2608	0.0213	−0.0255	0.5472