Table 1.

Summary statistics for educational attainment, Mandarin fluency, age and monthly income.

	matriliny			patriliny			whole sample
	F	M	mat. total	F	M	pat. total
	769	737		443	437		2386
	educational attainment
none	338	146	484	210	101	311	795
medium	287	393	680	137	255	392	1072
high	132	176	308	89	80	169	477
	Mandarin fluency
none	20	8	28	44	18	62	90
some	274	150	424	197	121	318	742
fluent	467	570	1037	199	298	497	1534
	parents' Mandarin fluency
none	25	22	47	16	33	49	96
some	234	237	471	84	153	237	708
fluent	160	189	349	64	83	147	496
	cohorts
62–94 years old (1)	119	88	207	73	47	120	327
42–61 years old (2)	261	254	515	157	154	311	826
22–41 years old (3)	336	328	664	178	193	371	1035
17–22 years old (4)	53	67	120	35	43	78	198
	age (years) n = 2386
range	17–94	17–91	17–94	17–92	17–88	17–92	17–94
mean	43.85	41.37	42.64	42.94	40.86	41.91	42.4
	individual income presence
yes	176	283	459	105	240	345	804
no	468	277	745	322	164	486	1231
	monthly income (CNY) n = 2032a
range	0–10 000	0–10 000	0–10 000	0–10 000	0–10 000	0–10 000	0–10 000
mean	761	1443	1078	462	1398	916	1012
	monthly reported income > 0 (CNY) n = 801b
range	20–10 000	40–10 000	20–10 000	40–10 000	45–10 000	40–10 000	20–10 000
mean	2784	2865	2834	1879	2357	2211	2566

^aIndividuals who provided a numeric income greater than or equal to 0 excepting three with reported monthly incomes over 30 000 CNY.

^bIndividuals who reported an income greater than 0 excepting three with reported monthly incomes over 30 000 CNY.