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Mainstage Variable

istrtdatm

Interview start date (month)

Datafile

indresp

Index term

Survey information Interview date

Variable note:

An imputed version of this variable is available: h_intdatm_dv

Value label	Value	Absolute frequency	Relative frequency
January	1	3703	11.27%
February	2	3250	9.89%
March	3	2907	8.85%
April	4	2422	7.37%
May	5	3026	9.21%
June	6	2087	6.35%
July	7	3067	9.34%
August	8	3102	9.44%
September	9	2144	6.53%
October	10	3318	10.1%
November	11	2084	6.34%
December	12	1739	5.29%
	Total	32849	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
6.05	0	1.0	12.0	3.43	32849

Value label	Value	Absolute frequency	Relative frequency
missing	-9	1	0.0%
January	1	3513	9.9%
February	2	3026	8.53%
March	3	3535	9.97%
April	4	2521	7.11%
May	5	3338	9.41%
June	6	2558	7.21%
July	7	3018	8.51%
August	8	3426	9.66%
September	9	2412	6.8%
October	10	3162	8.91%
November	11	2855	8.05%
December	12	2106	5.94%
	Total	35471	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
6.23	1	1.0	12.0	3.42	35470

Value label	Value	Absolute frequency	Relative frequency
January	1	2515	8.98%
February	2	2482	8.86%
March	3	2924	10.44%
April	4	2058	7.35%
May	5	2327	8.31%
June	6	2367	8.45%
July	7	2069	7.39%
August	8	2367	8.45%
September	9	2245	8.02%
October	10	2176	7.77%
November	11	2497	8.92%
December	12	1971	7.04%
	Total	27998	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
6.32	0	1.0	12.0	3.47	27998

Value label	Value	Absolute frequency	Relative frequency
January	1	3013	10.29%
February	2	2680	9.16%
March	3	2310	7.89%
April	4	3095	10.57%
May	5	2553	8.72%
June	6	2468	8.43%
July	7	2227	7.61%
August	8	2181	7.45%
September	9	2354	8.04%
October	10	2554	8.73%
November	11	2319	7.92%
December	12	1517	5.18%
	Total	29271	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
6.11	0	1.0	12.0	3.4	29271

Value label	Value	Absolute frequency	Relative frequency
January	1	2889	9.03%
February	2	2486	7.77%
March	3	2718	8.49%
April	4	3042	9.5%
May	5	2801	8.75%
June	6	2641	8.25%
July	7	2631	8.22%
August	8	2462	7.69%
September	9	2573	8.04%
October	10	2793	8.73%
November	11	2738	8.55%
December	12	2234	6.98%
	Total	32008	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
6.38	0	1.0	12.0	3.43	32008

Value label	Value	Absolute frequency	Relative frequency
January	1	3447	10.04%
February	2	2801	8.16%
March	3	3119	9.09%
April	4	3034	8.84%
May	5	2870	8.36%
June	6	2719	7.92%
July	7	2899	8.45%
August	8	2826	8.23%
September	9	2689	7.84%
October	10	3005	8.76%
November	11	2726	7.94%
December	12	2184	6.36%
	Total	34319	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
6.25	0	1.0	12.0	3.44	34319

Value label	Value	Absolute frequency	Relative frequency
missing	-9	1	0.0%
January	1	3537	9.81%
February	2	2894	8.03%
March	3	3312	9.19%
April	4	2876	7.98%
May	5	3028	8.4%
June	6	2828	7.84%
July	7	2894	8.03%
August	8	3189	8.84%
September	9	2735	7.59%
October	10	3182	8.82%
November	11	3052	8.46%
December	12	2530	7.02%
	Total	36058	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
6.35	1	1.0	12.0	3.47	36057

Value label	Value	Absolute frequency	Relative frequency
missing	-9	5	0.01%
January	1	3717	9.46%
February	2	3546	9.02%
March	3	3223	8.2%
April	4	3250	8.27%
May	5	3307	8.42%
June	6	3371	8.58%
July	7	3401	8.66%
August	8	3236	8.24%
September	9	3493	8.89%
October	10	3182	8.1%
November	11	3403	8.66%
December	12	2160	5.5%
	Total	39294	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
6.28	5	1.0	12.0	3.4	39289

Value label	Value	Absolute frequency	Relative frequency
missing	-9	8	0.02%
January	1	3936	9.33%
February	2	3632	8.61%
March	3	3875	9.19%
April	4	3360	7.97%
May	5	3540	8.39%
June	6	3551	8.42%
July	7	3405	8.07%
August	8	3337	7.91%
September	9	3415	8.1%
October	10	3601	8.54%
November	11	3789	8.99%
December	12	2721	6.45%
	Total	42170	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
6.33	8	1.0	12.0	3.45	42162

Value label	Value	Absolute frequency	Relative frequency
missing	-9	3	0.01%
January	1	4690	10.38%
February	2	3966	8.78%
March	3	3899	8.63%
April	4	3487	7.72%
May	5	3632	8.04%
June	6	3648	8.07%
July	7	3491	7.72%
August	8	3422	7.57%
September	9	3718	8.23%
October	10	3793	8.39%
November	11	4202	9.3%
December	12	3241	7.17%
	Total	45192	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
6.34	3	1.0	12.0	3.52	45189

Value label	Value	Absolute frequency	Relative frequency
January	1	4434	9.89%
February	2	3480	7.76%
March	3	4147	9.25%
April	4	3770	8.41%
May	5	3380	7.54%
June	6	3784	8.44%
July	7	3826	8.53%
August	8	3563	7.95%
September	9	3613	8.06%
October	10	3836	8.56%
November	11	3697	8.25%
December	12	3307	7.38%
	Total	44837	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
6.36	0	1.0	12.0	3.47	44837

Value label	Value	Absolute frequency	Relative frequency
January	1	3900	8.28%
February	2	3601	7.65%
March	3	4649	9.88%
April	4	3691	7.84%
May	5	4459	9.47%
June	6	3911	8.31%
July	7	4025	8.55%
August	8	3577	7.6%
September	9	3583	7.61%
October	10	4211	8.95%
November	11	4087	8.68%
December	12	3380	7.18%
	Total	47074	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
6.42	0	1.0	12.0	3.42	47074

Value label	Value	Absolute frequency	Relative frequency
January	1	4160	8.37%
February	2	4136	8.32%
March	3	4456	8.97%
April	4	3681	7.41%
May	5	4203	8.46%
June	6	4431	8.92%
July	7	4206	8.46%
August	8	4055	8.16%
September	9	3941	7.93%
October	10	4362	8.78%
November	11	4514	9.08%
December	12	3547	7.14%
	Total	49692	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
6.47	0	1.0	12.0	3.43	49692

Value label	Value	Absolute frequency	Relative frequency
don't know	-1	3	0.01%
January	1	5073	9.3%
February	2	4662	8.54%
March	3	5382	9.86%
April	4	4281	7.85%
May	5	4205	7.71%
June	6	4928	9.03%
July	7	4261	7.81%
August	8	4626	8.48%
September	9	4494	8.24%
October	10	4518	8.28%
November	11	4945	9.06%
December	12	3190	5.85%
	Total	54568	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
6.29	3	1.0	12.0	3.43	54565

Value label	Value	Absolute frequency	Relative frequency
missing	-9	30	0.06%
inapplicable	-8	990	1.94%
January	1	5045	9.89%
February	2	4323	8.48%
March	3	4663	9.14%
April	4	4007	7.86%
May	5	3811	7.47%
June	6	4135	8.11%
July	7	4109	8.06%
August	8	4039	7.92%
September	9	4143	8.12%
October	10	4347	8.52%
November	11	4393	8.61%
December	12	2959	5.8%
	Total	50994	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
6.27	1020	1.0	12.0	3.46	49974

Value label	Value	Absolute frequency	Relative frequency
January	1	448	3.11%
February	2	153	1.06%
March	3	149	1.03%
April	4	15	0.1%
September	9	6444	44.69%
October	10	4483	31.09%
November	11	2080	14.43%
December	12	647	4.49%
	Total	14419	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
9.34	0	1.0	12.0	2.02	14419

Value label	Value	Absolute frequency	Relative frequency
January	1	505	3.4%
February	2	171	1.15%
March	3	113	0.76%
April	4	11	0.07%
September	9	5698	38.31%
October	10	5460	36.71%
November	11	2306	15.5%
December	12	609	4.09%
	Total	14873	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
9.4	0	1.0	12.0	2.06	14873

Value label	Value	Absolute frequency	Relative frequency
January	1	564	3.66%
February	2	155	1.01%
March	3	132	0.86%
April	4	2	0.01%
September	9	7252	47.12%
October	10	4696	30.51%
November	11	2009	13.05%
December	12	582	3.78%
	Total	15392	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
9.26	0	1.0	12.0	2.06	15392

Value label	Value	Absolute frequency	Relative frequency
January	1	541	3.46%
February	2	212	1.36%
March	3	110	0.7%
April	4	6	0.04%
September	9	6900	44.18%
October	10	4819	30.86%
November	11	2302	14.74%
December	12	727	4.66%
	Total	15617	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
9.33	0	1.0	12.0	2.09	15617

Value label	Value	Absolute frequency	Relative frequency
January	1	585	3.7%
February	2	397	2.51%
March	3	240	1.52%
April	4	83	0.53%
May	5	9	0.06%
September	9	5916	37.46%
October	10	5171	32.75%
November	11	2525	15.99%
December	12	865	5.48%
	Total	15791	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
9.22	0	1.0	12.0	2.39	15791

Value label	Value	Absolute frequency	Relative frequency
January	1	615	3.79%
February	2	219	1.35%
March	3	140	0.86%
April	4	68	0.42%
May	5	4	0.02%
September	9	6933	42.7%
October	10	5169	31.83%
November	11	2335	14.38%
December	12	755	4.65%
	Total	16238	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
9.27	0	1.0	12.0	2.18	16238

Value label	Value	Absolute frequency	Relative frequency
January	1	1439	8.67%
February	2	749	4.51%
March	3	243	1.46%
April	4	173	1.04%
May	5	9	0.05%
September	9	5573	33.58%
October	10	4363	26.29%
November	11	2564	15.45%
December	12	1484	8.94%
	Total	16597	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
8.69	0	1.0	12.0	3.19	16597

Value label	Value	Absolute frequency	Relative frequency
January	1	1964	10.41%
February	2	744	3.94%
March	3	541	2.87%
April	4	311	1.65%
May	5	4	0.02%
September	9	5482	29.06%
October	10	4630	24.54%
November	11	3536	18.74%
December	12	1655	8.77%
	Total	18867	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
8.52	0	1.0	12.0	3.41	18867

Value label	Value	Absolute frequency	Relative frequency
January	1	155	0.99%
February	2	568	3.64%
March	3	1797	11.52%
April	4	1464	9.38%
May	5	1309	8.39%
September	9	5445	34.9%
October	10	3789	24.28%
November	11	929	5.95%
December	12	147	0.94%
	Total	15603	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
7.56	0	1.0	12.0	2.96	15603

Value label	Value	Absolute frequency	Relative frequency
January	1	1019	6.52%
February	2	1526	9.77%
March	3	630	4.03%
April	4	387	2.48%
May	5	390	2.5%
September	9	5626	36.01%
October	10	3742	23.95%
November	11	1789	11.45%
December	12	514	3.29%
	Total	15623	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
7.9	0	1.0	12.0	3.35	15623

Value label	Value	Absolute frequency	Relative frequency
January	1	174	1.6%
February	2	86	0.79%
March	3	50	0.46%
April	4	33	0.3%
August	8	5	0.05%
September	9	5734	52.58%
October	10	3424	31.4%
November	11	1071	9.82%
December	12	329	3.02%
	Total	10906	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
9.37	0	1.0	12.0	1.58	10906

Value label	Value	Absolute frequency	Relative frequency
January	1	153	1.37%
February	2	85	0.76%
March	3	41	0.37%
April	4	12	0.11%
May	5	1	0.01%
August	8	7	0.06%
September	9	5114	45.69%
October	10	3682	32.9%
November	11	1711	15.29%
December	12	387	3.46%
	Total	11193	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
9.55	0	1.0	12.0	1.54	11193

Value label	Value	Absolute frequency	Relative frequency
January	1	135	1.43%
February	2	52	0.55%
March	3	33	0.35%
April	4	15	0.16%
August	8	14	0.15%
September	9	4796	50.82%
October	10	3333	35.31%
November	11	834	8.84%
December	12	226	2.39%
	Total	9438	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
9.42	0	1.0	12.0	1.45	9438

Value label	Value	Absolute frequency	Relative frequency
January	1	256	2.77%
February	2	127	1.37%
March	3	112	1.21%
April	4	46	0.5%
May	5	8	0.09%
September	9	1766	19.09%
October	10	4187	45.27%
November	11	2315	25.03%
December	12	432	4.67%
	Total	9249	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
9.67	0	1.0	12.0	2.11	9249

Value label	Value	Absolute frequency	Relative frequency
January	1	245	2.58%
February	2	99	1.04%
March	3	75	0.79%
April	4	52	0.55%
May	5	5	0.05%
September	9	2759	29.1%
October	10	4157	43.85%
November	11	1683	17.75%
December	12	406	4.28%
	Total	9481	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
9.57	0	1.0	12.0	1.95	9481

Value label	Value	Absolute frequency	Relative frequency
January	1	223	2.32%
February	2	227	2.36%
March	3	133	1.39%
April	4	74	0.77%
September	9	3504	36.5%
October	10	3833	39.93%
November	11	1367	14.24%
December	12	239	2.49%
	Total	9600	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
9.29	0	1.0	12.0	2.11	9600

Value label	Value	Absolute frequency	Relative frequency
January	1	51	0.52%
February	2	69	0.7%
March	3	127	1.29%
April	4	3	0.03%
September	9	3774	38.33%
October	10	4405	44.74%
November	11	1263	12.83%
December	12	153	1.55%
	Total	9845	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
9.58	0	1.0	12.0	1.38	9845

Value label	Value	Absolute frequency	Relative frequency
missing	-9	21	0.2%
September	9	2006	19.54%
October	10	5378	52.4%
November	11	2568	25.02%
December	12	291	2.84%
	Total	10264	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
10.11	21	9.0	12.0	0.74	10243

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